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rustdoc-search: parse and search with ML-style HOF

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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.
This commit is contained in:
Michael Howell 2024-01-06 13:17:51 -07:00
parent 5aad51d015
commit 7f427f86bd
7 changed files with 649 additions and 49 deletions
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376
tests/rustdoc-js-std/parser-hof.js Normal file
View file

@ -0,0 +1,376 @@
const PARSED = [
{
query: "(-> F<P>)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [],
bindings: [
[
"output",
[{
name: "f",
fullPath: ["f"],
pathWithoutLast: [],
pathLast: "f",
generics: [
{
name: "p",
fullPath: ["p"],
pathWithoutLast: [],
pathLast: "p",
generics: [],
},
],
typeFilter: -1,
}],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(-> F<P>)",
returned: [],
userQuery: "(-> f<p>)",
error: null,
},
{
query: "(-> P)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [],
bindings: [
[
"output",
[{
name: "p",
fullPath: ["p"],
pathWithoutLast: [],
pathLast: "p",
generics: [],
typeFilter: -1,
}],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(-> P)",
returned: [],
userQuery: "(-> p)",
error: null,
},
{
query: "(->,a)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [],
bindings: [
[
"output",
[{
name: "a",
fullPath: ["a"],
pathWithoutLast: [],
pathLast: "a",
generics: [],
typeFilter: -1,
}],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(->,a)",
returned: [],
userQuery: "(->,a)",
error: null,
},
{
query: "(F<P> ->)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [{
name: "f",
fullPath: ["f"],
pathWithoutLast: [],
pathLast: "f",
generics: [
{
name: "p",
fullPath: ["p"],
pathWithoutLast: [],
pathLast: "p",
generics: [],
},
],
typeFilter: -1,
}],
bindings: [
[
"output",
[],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(F<P> ->)",
returned: [],
userQuery: "(f<p> ->)",
error: null,
},
{
query: "(P ->)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [{
name: "p",
fullPath: ["p"],
pathWithoutLast: [],
pathLast: "p",
generics: [],
typeFilter: -1,
}],
bindings: [
[
"output",
[],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(P ->)",
returned: [],
userQuery: "(p ->)",
error: null,
},
{
query: "(,a->)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [{
name: "a",
fullPath: ["a"],
pathWithoutLast: [],
pathLast: "a",
generics: [],
typeFilter: -1,
}],
bindings: [
[
"output",
[],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(,a->)",
returned: [],
userQuery: "(,a->)",
error: null,
},
{
query: "(aaaaa->a)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [{
name: "aaaaa",
fullPath: ["aaaaa"],
pathWithoutLast: [],
pathLast: "aaaaa",
generics: [],
typeFilter: -1,
}],
bindings: [
[
"output",
[{
name: "a",
fullPath: ["a"],
pathWithoutLast: [],
pathLast: "a",
generics: [],
typeFilter: -1,
}],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(aaaaa->a)",
returned: [],
userQuery: "(aaaaa->a)",
error: null,
},
{
query: "(aaaaa, b -> a)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [
{
name: "aaaaa",
fullPath: ["aaaaa"],
pathWithoutLast: [],
pathLast: "aaaaa",
generics: [],
typeFilter: -1,
},
{
name: "b",
fullPath: ["b"],
pathWithoutLast: [],
pathLast: "b",
generics: [],
typeFilter: -1,
},
],
bindings: [
[
"output",
[{
name: "a",
fullPath: ["a"],
pathWithoutLast: [],
pathLast: "a",
generics: [],
typeFilter: -1,
}],
],
],
typeFilter: -1,
}],
foundElems: 1,
original: "(aaaaa, b -> a)",
returned: [],
userQuery: "(aaaaa, b -> a)",
error: null,
},
{
query: "primitive:(aaaaa, b -> a)",
elems: [{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [
{
name: "aaaaa",
fullPath: ["aaaaa"],
pathWithoutLast: [],
pathLast: "aaaaa",
generics: [],
typeFilter: -1,
},
{
name: "b",
fullPath: ["b"],
pathWithoutLast: [],
pathLast: "b",
generics: [],
typeFilter: -1,
},
],
bindings: [
[
"output",
[{
name: "a",
fullPath: ["a"],
pathWithoutLast: [],
pathLast: "a",
generics: [],
typeFilter: -1,
}],
],
],
typeFilter: 1,
}],
foundElems: 1,
original: "primitive:(aaaaa, b -> a)",
returned: [],
userQuery: "primitive:(aaaaa, b -> a)",
error: null,
},
{
query: "x, trait:(aaaaa, b -> a)",
elems: [
{
name: "x",
fullPath: ["x"],
pathWithoutLast: [],
pathLast: "x",
generics: [],
typeFilter: -1,
},
{
name: "->",
fullPath: ["->"],
pathWithoutLast: [],
pathLast: "->",
generics: [
{
name: "aaaaa",
fullPath: ["aaaaa"],
pathWithoutLast: [],
pathLast: "aaaaa",
generics: [],
typeFilter: -1,
},
{
name: "b",
fullPath: ["b"],
pathWithoutLast: [],
pathLast: "b",
generics: [],
typeFilter: -1,
},
],
bindings: [
[
"output",
[{
name: "a",
fullPath: ["a"],
pathWithoutLast: [],
pathLast: "a",
generics: [],
typeFilter: -1,
}],
],
],
typeFilter: 10,
}
],
foundElems: 2,
original: "x, trait:(aaaaa, b -> a)",
returned: [],
userQuery: "x, trait:(aaaaa, b -> a)",
error: null,
},
];