Multiple changes:
- Add the book and a few first pages - Add the code generator
This commit is contained in:
295
lepiter/98eic2k973nz738qf6nsxvl1o.lepiter
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295
lepiter/98eic2k973nz738qf6nsxvl1o.lepiter
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{
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"__schema" : "4.1",
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"__type" : "page",
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"children" : {
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"__type" : "snippets",
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"items" : [
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{
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"__type" : "textSnippet",
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"children" : {
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"__type" : "snippets",
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"items" : [ ]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:34:23.127464+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:34:50.494585+02:00"
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}
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},
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"uid" : {
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"__type" : "uid",
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"uidString" : "Hs5lyj6ZDQCdzfQlDqn2mw=="
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},
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"paragraphStyle" : {
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"__type" : "textStyle"
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},
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"string" : "Generating code is, in this case, the inverse of parsing: we have a tree, and we want to generate code matching our specification."
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},
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{
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"__type" : "textSnippet",
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"children" : {
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"__type" : "snippets",
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"items" : [ ]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:34:51.781408+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:36:01.841086+02:00"
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}
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},
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"uid" : {
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"__type" : "uid",
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"uidString" : "001CzD6ZDQCdz6J+Dqn2mw=="
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},
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"paragraphStyle" : {
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"__type" : "textStyle"
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},
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"string" : "In the case of Carp, I built a specific, new AST that matches the semantics of Carp rather than just the syntax. The example below should make this a little clearer."
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},
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{
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"__type" : "pharoSnippet",
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"children" : {
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"__type" : "snippets",
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"items" : [ ]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:36:07.105942+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:36:14.725535+02:00"
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}
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},
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"uid" : {
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"__type" : "uid",
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"uidString" : "yC3J0D6ZDQCd0ZgmDqn2mw=="
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},
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"code" : "'Example' asCarpModule\r\taddExpression: (CarpStaticFunction\r\t\t\t named: 'example' asCarpSymbol\r\t\t\t withArguments: { \r\t\t\t\t\t 'x' asCarpSymbol.\r\t\t\t\t\t 'y' asCarpSymbol }\r\t\t\t andBody: (CarpCall function: '+' asCarpSymbol arguments: { \r\t\t\t\t\t\t\t 'x' asCarpSymbol.\r\t\t\t\t\t\t\t 'y' asCarpSymbol }));\r\taddExpression: (CarpDynamicVariable\r\t\t\t named: 'dyn-example' asCarpSymbol\r\t\t\t binding: 1 asCarpInteger);\r\ttoCarp"
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},
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{
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"__type" : "textSnippet",
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"children" : {
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"__type" : "snippets",
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"items" : [ ]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:36:24.187977+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:37:20.312486+02:00"
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}
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},
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"uid" : {
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"__type" : "uid",
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"uidString" : "bUdd0T6ZDQCd0+EWDqn2mw=="
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},
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"paragraphStyle" : {
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"__type" : "textStyle"
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},
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"string" : "The AST we use here knows about modules, calls, and bindings. The AST we parse into does not, because it doesn’t have to. But once we wander forth into generating code, a new representation might be more appropriate."
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},
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{
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"__type" : "textSnippet",
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"children" : {
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"__type" : "snippets",
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"items" : [ ]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:38:27.85143+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:38:27.85143+02:00"
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}
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},
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"uid" : {
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"__type" : "uid",
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"uidString" : "48Ms2T6ZDQCd14cbDqn2mw=="
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},
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"paragraphStyle" : {
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"__type" : "textStyle"
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},
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"string" : "This is an example of having multiple representation of the same code in an environment. Many compilers have multiple intermediate representations, gradually lowering the abstraction level between phases, until finally generating code."
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},
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{
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"__type" : "textSnippet",
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"children" : {
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"__type" : "snippets",
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"items" : [ ]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:37:23.024062+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:39:27.969082+02:00"
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}
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},
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"uid" : {
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"__type" : "uid",
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"uidString" : "vYVC1T6ZDQCd1YgnDqn2mw=="
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},
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"paragraphStyle" : {
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"__type" : "textStyle"
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},
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"string" : "We do something similar: by increasing the abstraction level, our toolkit becomes more expressive, capturing our use case better."
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},
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{
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"__type" : "textSnippet",
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"children" : {
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"__type" : "snippets",
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"items" : [ ]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:39:55.39115+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:40:21.249005+02:00"
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}
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},
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"uid" : {
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"__type" : "uid",
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"uidString" : "BCUP3j6ZDQCd2e0LDqn2mw=="
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},
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"paragraphStyle" : {
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"__type" : "textStyle"
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},
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"string" : "In the next chapter named [[A coder of one’s own]], we will use this code generator in our newly created coder."
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}
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]
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},
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"createEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"createTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:34:19.88496+02:00"
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}
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},
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"editEmail" : {
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"__type" : "email",
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"emailString" : "<unknown>"
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},
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"editTime" : {
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"__type" : "time",
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"time" : {
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"__type" : "dateAndTime",
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"dateAndTimeString" : "2022-04-17T19:34:19.88496+02:00"
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}
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},
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"pageType" : {
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"__type" : "namedPage",
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"title" : "Generating Code"
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},
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"uid" : {
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"__type" : "uuid",
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"uuid" : "4c1d65ca-3e99-0d00-9dcc-eaf60ea9f69b"
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}
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}
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