7f427f86bd
Option::map, for example, looks like this:
option<t>, (t -> u) -> option<u>
This syntax searches all of the HOFs in Rust: traits Fn, FnOnce,
and FnMut, and bare fn primitives.
94 lines
2.1 KiB
JavaScript
94 lines
2.1 KiB
JavaScript
// exact-check
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const EXPECTED = [
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// ML-style higher-order function notation
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{
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'query': 'bool, (u32 -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_ptr"},
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],
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},
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{
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'query': 'u8, (u32 -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_once"},
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],
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},
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{
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'query': 'i8, (u32 -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_mut"},
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],
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},
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{
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'query': 'char, (u32 -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_"},
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],
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},
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{
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'query': '(first<u32> -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_ptr"},
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],
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},
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{
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'query': '(second<u32> -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_once"},
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],
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},
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{
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'query': '(third<u32> -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_mut"},
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],
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},
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{
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'query': '(u32 -> !) -> ()',
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'others': [
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{"path": "hof", "name": "fn_"},
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{"path": "hof", "name": "fn_ptr"},
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{"path": "hof", "name": "fn_mut"},
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{"path": "hof", "name": "fn_once"},
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],
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},
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{
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'query': 'u32 -> !',
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// not a HOF query
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'others': [],
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},
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{
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'query': '(str, str -> i8) -> ()',
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'others': [
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{"path": "hof", "name": "multiple"},
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],
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},
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{
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'query': '(str ->) -> ()',
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'others': [
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{"path": "hof", "name": "multiple"},
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],
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},
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{
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'query': '(-> i8) -> ()',
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'others': [
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{"path": "hof", "name": "multiple"},
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],
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},
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{
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'query': '(str -> str) -> ()',
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// params and return are not the same
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'others': [],
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},
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{
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'query': '(i8 ->) -> ()',
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// params and return are not the same
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'others': [],
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},
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{
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'query': '(-> str) -> ()',
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// params and return are not the same
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'others': [],
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},
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];
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