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guard.go
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guard.go
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package grace
import (
"context"
"fmt"
)
func Guard(err *error) {
if r := recover(); r != nil {
if re, ok := r.(error); ok {
*err = re
} else {
*err = fmt.Errorf("panic: %v", r)
}
}
}
func MustContext(ctx context.Context) {
if ctx.Err() != nil {
panic(ctx.Err())
}
}
func Must0(err error) {
if err != nil {
panic(err)
}
}
func Must[T any](v T, err error) T {
if err == nil {
return v
} else {
panic(err)
}
}
func Must2[T1 any, T2 any](v1 T1, v2 T2, err error) (T1, T2) {
if err == nil {
return v1, v2
} else {
panic(err)
}
}
func Must3[T1 any, T2 any, T3 any](v1 T1, v2 T2, v3 T3, err error) (T1, T2, T3) {
if err == nil {
return v1, v2, v3
} else {
panic(err)
}
}
func Must4[T1 any, T2 any, T3 any, T4 any](v1 T1, v2 T2, v3 T3, v4 T4, err error) (T1, T2, T3, T4) {
if err == nil {
return v1, v2, v3, v4
} else {
panic(err)
}
}