31 lines
4.0 KiB
Markdown
31 lines
4.0 KiB
Markdown
Keywords
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========
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{{#include ../links.md}}
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The following are reserved keywords in Rhai.
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| Active keywords | Reserved keywords | Usage | Inactive under feature |
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| -------------------------------------------------------------------------- | ---------------------------------------------------------- | ----------------------------------- | :----------------------------: |
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| `true`, `false` | | [constants] | |
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| [`let`][variable], [`const`][constant] | `var`, `static` | [variables] | |
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| `is_shared` | | _shared_ values | [`no_closure`] |
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| | `is` | type checking | |
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| [`if`], [`else`][`if`] | `goto` | control flow | |
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| [`switch`] | `match`, `case` | switching and matching | |
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| [`do`], [`while`], [`loop`], `until`, [`for`], [`in`], `continue`, `break` | | looping | |
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| [`fn`][function], [`private`], `is_def_fn`, `this` | `public`, `protected`, `new` | [functions] | [`no_function`] |
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| [`return`] | | return values | |
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| [`throw`], [`try`], [`catch`] | | [throw/catch][`catch`] [exceptions] | |
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| [`import`], [`export`], `as` | `use`, `with`, `module`, `package`, `super` | [modules] | [`no_module`] |
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| [`global`] | | automatic global [module] | [`no_function`], [`no_module`] |
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| [`Fn`][function pointer], `call`, [`curry`][currying] | | [function pointers] | |
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| | `spawn`, `thread`, `go`, `sync`, `async`, `await`, `yield` | threading/async | |
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| [`type_of`], [`print`], [`debug`], [`eval`], `is_def_var` | | special functions | |
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| | `default`, `void`, `null`, `nil` | special values | |
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```admonish warning.small
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Keywords cannot become the name of a [function] or [variable], even when they are
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[disabled][disable keywords and operators].
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```
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