42 lines
672 B
Plaintext
42 lines
672 B
Plaintext
---
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title: Patterns
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description: Pattern matching with literals, tuples, structs, named tuples, wildcards, and mutable bindings.
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icon: Split
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---
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```mist
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// Literal patterns
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match x {
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1 => "one",
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2 => "two",
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_ => "other",
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}
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// Tuple patterns
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let (a, b) = (1, 2);
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// Struct patterns
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match value {
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Point { x, y } => x + y,
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Point { x: 0, y } => y,
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_ => 0,
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}
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// Named tuple patterns (newtype)
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let MyType(value) = my_var;
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// Wildcard / etc
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let _ = get_side_effect();
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match x {
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1 => ...,
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.. => ..., // rest / etc
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}
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// Mutable binding in pattern
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let mut x = 42;
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match ref_to_option {
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Some(mut value) => value += 1,
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None => {},
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}
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```
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