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Add is_def_var and is_def_fn.

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Stephen Chung
2020-10-03 16:25:58 +08:00
parent eec3f4e1bf
commit fbfb7677c1
10 changed files with 220 additions and 56 deletions
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62
doc/src/appendix/keywords.md
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@@ -3,36 +3,38 @@ Keywords List
{{#include ../links.md}}
| Keyword | Description | Inactive under | Overloadable |
| :-------------------: | ------------------------------------------- | :-------------: | :----------: |
| `true` | boolean true literal | | no |
| `false` | boolean false literal | | no |
| `let` | variable declaration | | no |
| `const` | constant declaration | | no |
| `is_shared` | is a value shared? | | no |
| `if` | if statement | | no |
| `else` | else block of if statement | | no |
| `while` | while loop | | no |
| `loop` | infinite loop | | no |
| `for` | for loop | | no |
| `in` | 1) containment test<br/>2) part of for loop | | no |
| `continue` | continue a loop at the next iteration | | no |
| `break` | break out of loop iteration | | no |
| `return` | return value | | no |
| `throw` | throw exception | | no |
| `import` | import module | [`no_module`] | no |
| `export` | export variable | [`no_module`] | no |
| `as` | alias for variable export | [`no_module`] | no |
| `private` | mark function private | [`no_function`] | no |
| `fn` (lower-case `f`) | function definition | [`no_function`] | no |
| `Fn` (capital `F`) | create a [function pointer] | | yes |
| `call` | call a [function pointer] | | no |
| `curry` | curry a [function pointer] | | no |
| `this` | reference to base object for method call | [`no_function`] | no |
| `type_of` | get type name of value | | yes |
| `print` | print value | | yes |
| `debug` | print value in debug format | | yes |
| `eval` | evaluate script | | yes |
| Keyword | Description | Inactive under | Is function? | Overloadable |
| :-------------------: | ------------------------------------------- | :-------------: | :----------: | :----------: |
| `true` | boolean true literal | | no | |
| `false` | boolean false literal | | no | |
| `let` | variable declaration | | no | |
| `const` | constant declaration | | no | |
| `is_def_var` | is a variable declared? | | yes | yes |
| `is_shared` | is a value shared? | [`no_closure`] | yes | no |
| `if` | if statement | | no | |
| `else` | else block of if statement | | no | |
| `while` | while loop | | no | |
| `loop` | infinite loop | | no | |
| `for` | for loop | | no | |
| `in` | 1) containment test<br/>2) part of for loop | | no | |
| `continue` | continue a loop at the next iteration | | no | |
| `break` | break out of loop iteration | | no | |
| `return` | return value | | no | |
| `throw` | throw exception | | no | |
| `import` | import module | [`no_module`] | no | |
| `export` | export variable | [`no_module`] | no | |
| `as` | alias for variable export | [`no_module`] | no | |
| `private` | mark function private | [`no_function`] | no | |
| `fn` (lower-case `f`) | function definition | [`no_function`] | no | |
| `Fn` (capital `F`) | create a [function pointer] | | yes | yes |
| `call` | call a [function pointer] | | yes | no |
| `curry` | curry a [function pointer] | | yes | no |
| `this` | reference to base object for method call | [`no_function`] | no | |
| `is_def_fn` | is a scripted function defined? | [`no_function`] | yes | yes |
| `type_of` | get type name of value | | yes | yes |
| `print` | print value | | yes | yes |
| `debug` | print value in debug format | | yes | yes |
| `eval` | evaluate script | | yes | yes |
Reserved Keywords