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flag: switch panics to optionals (#11515)

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This commit is contained in:
JalonSolov
2021-09-16 12:25:05 -04:00
committed by GitHub
parent 0a18690a4f
commit 1688148828
8 changed files with 26 additions and 26 deletions
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16
vlib/flag/flag.v
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@@ -429,22 +429,22 @@ pub fn (mut fs FlagParser) string(name string, abbr byte, sdefault string, usage
return value
}
pub fn (mut fs FlagParser) limit_free_args_to_at_least(n int) {
pub fn (mut fs FlagParser) limit_free_args_to_at_least(n int) ? {
if n > flag.max_args_number {
panic('flag.limit_free_args_to_at_least expect n to be smaller than $flag.max_args_number')
return error('flag.limit_free_args_to_at_least expect n to be smaller than $flag.max_args_number')
}
if n <= 0 {
panic('flag.limit_free_args_to_at_least expect n to be a positive number')
return error('flag.limit_free_args_to_at_least expect n to be a positive number')
}
fs.min_free_args = n
}
pub fn (mut fs FlagParser) limit_free_args_to_exactly(n int) {
pub fn (mut fs FlagParser) limit_free_args_to_exactly(n int) ? {
if n > flag.max_args_number {
panic('flag.limit_free_args_to_exactly expect n to be smaller than $flag.max_args_number')
return error('flag.limit_free_args_to_exactly expect n to be smaller than $flag.max_args_number')
}
if n < 0 {
panic('flag.limit_free_args_to_exactly expect n to be a non negative number')
return error('flag.limit_free_args_to_exactly expect n to be a non negative number')
}
fs.min_free_args = n
fs.max_free_args = n
@@ -452,9 +452,9 @@ pub fn (mut fs FlagParser) limit_free_args_to_exactly(n int) {
// this will cause an error in finalize() if free args are out of range
// (min, ..., max)
pub fn (mut fs FlagParser) limit_free_args(min int, max int) {
pub fn (mut fs FlagParser) limit_free_args(min int, max int) ? {
if min > max {
panic('flag.limit_free_args expect min < max, got $min >= $max')
return error('flag.limit_free_args expect min < max, got $min >= $max')
}
fs.min_free_args = min
fs.max_free_args = max