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parser: mut x Type syntax for args

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This commit is contained in:
Alexander Medvednikov 2020-05-06 12:13:19 +02:00
parent 61e00e6796
commit 99cf520bd4
2 changed files with 16 additions and 4 deletions
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12
vlib/v/parser/fn.v
View File

@ -358,16 +358,20 @@ fn (mut p Parser) fn_args() ([]table.Arg, bool) {
} }
} else { } else {
for p.tok.kind != .rpar { for p.tok.kind != .rpar {
mut is_mut := p.tok.kind == .key_mut
if is_mut {
p.next()
}
mut arg_names := [p.check_name()] mut arg_names := [p.check_name()]
// `a, b, c int` // `a, b, c int`
for p.tok.kind == .comma { for p.tok.kind == .comma {
p.check(.comma) p.check(.comma)
arg_names << p.check_name() arg_names << p.check_name()
} }
is_mut := p.tok.kind == .key_mut if p.tok.kind == .key_mut {
// if is_mut { // TODO remove old syntax
// p.check(.key_mut) is_mut = true
// } }
if p.tok.kind == .ellipsis { if p.tok.kind == .ellipsis {
p.check(.ellipsis) p.check(.ellipsis)
is_variadic = true is_variadic = true

8
vlib/v/tests/fn_test.v
View File

@ -65,6 +65,14 @@ fn modify_array(a mut []int) {
// a << 888 // a << 888
} }
fn modify_array2(mut a []int) {
a[0] = 10
for i in 0 .. a.len {
a[i] = a[i] * 2
}
// a << 888
}
fn test_mut_array() { fn test_mut_array() {
mut nums := [1, 2, 3] mut nums := [1, 2, 3]
modify_array(mut nums) modify_array(mut nums)