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builtin: cleanup u8.repeat() and rune.repeat() (#22100)

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yuyi 2024-08-23 13:24:35 +08:00 committed by GitHub
parent e3ceb5881a
commit 971feb8f89
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3 changed files with 7 additions and 18 deletions
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17
vlib/builtin/int.v
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@ -599,24 +599,17 @@ pub fn (b []u8) byterune() !rune {
// repeat returns a new string with `count` number of copies of the byte it was called on. // repeat returns a new string with `count` number of copies of the byte it was called on.
pub fn (b u8) repeat(count int) string { pub fn (b u8) repeat(count int) string {
if count < 0 { if count <= 0 {
panic('byte.repeat: count is negative: ${count}')
} else if count == 0 {
return '' return ''
} else if count == 1 { } else if count == 1 {
return b.ascii_str() return b.ascii_str()
} }
mut ret := unsafe { malloc_noscan(count + 1) } mut bytes := unsafe { malloc_noscan(count + 1) }
for i in 0 .. count {
unsafe {
ret[i] = b
}
}
new_len := count
unsafe { unsafe {
ret[new_len] = 0 C.memset(bytes, b, count)
bytes[count] = `0`
} }
return unsafe { ret.vstring_with_len(new_len) } return unsafe { bytes.vstring_with_len(count) }
} }
// for atomic ints, internal // for atomic ints, internal

4
vlib/builtin/js/rune.js.v
View File

@ -10,9 +10,7 @@ pub fn (ra []rune) string() string {
} }
pub fn (c rune) repeat(count int) string { pub fn (c rune) repeat(count int) string {
if count < 0 { if count <= 0 {
panic('rune.repeat: count is negative: ${count}')
} else if count == 0 {
return '' return ''
} else if count == 1 { } else if count == 1 {
return c.str() return c.str()

4
vlib/builtin/rune.v
View File

@ -43,9 +43,7 @@ pub fn (ra []rune) string() string {
// repeat returns a new string with `count` number of copies of the rune it was called on. // repeat returns a new string with `count` number of copies of the rune it was called on.
pub fn (c rune) repeat(count int) string { pub fn (c rune) repeat(count int) string {
if count < 0 { if count <= 0 {
panic('rune.repeat: count is negative: ${count}')
} else if count == 0 {
return '' return ''
} else if count == 1 { } else if count == 1 {
return c.str() return c.str()