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minor: improve readability

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This commit is contained in:
Aleksey Kladov 2021-09-19 11:34:25 +03:00
parent 25adc5e9f0
commit 8009ccc27d
1 changed files with 14 additions and 10 deletions
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24
crates/parser/src/grammar/generic_args.rs
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@ -27,11 +27,7 @@ pub(super) fn opt_generic_arg_list(p: &mut Parser, colon_colon_required: bool) {
// type A = B<'static, i32, 1, { 2 }, Item=u64, true, false>;
fn generic_arg(p: &mut Parser) {
match p.current() {
LIFETIME_IDENT => {
let m = p.start();
lifetime(p);
m.complete(p, LIFETIME_ARG);
}
LIFETIME_IDENT => lifetime_arg(p),
// test associated_type_bounds
// fn print_all<T: Iterator<Item, Item::Item, Item::<true>, Item: Display, Item<'a> = Item>>(printables: T) {}
IDENT if [T![<], T![=], T![:]].contains(&p.nth(1)) => {
@ -83,14 +79,16 @@ fn generic_arg(p: &mut Parser) {
// fn f() { S::<-1> }
T!['{'] | T![true] | T![false] | T![-] => const_arg(p),
k if k.is_literal() => const_arg(p),
_ => {
let m = p.start();
types::type_(p);
m.complete(p, TYPE_ARG);
}
_ => type_arg(p),
}
}
fn lifetime_arg(p: &mut Parser) {
let m = p.start();
lifetime(p);
m.complete(p, LIFETIME_ARG);
}
pub(super) fn const_arg(p: &mut Parser) {
let m = p.start();
match p.current() {
@ -121,3 +119,9 @@ pub(super) fn const_arg(p: &mut Parser) {
}
}
}
fn type_arg(p: &mut Parser) {
let m = p.start();
types::type_(p);
m.complete(p, TYPE_ARG);
}