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util.go
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/
util.go
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// Package zutil daily development helper functions
package zutil
import (
"log"
"sync"
"time"
)
func WithLockContext(fn func()) {
var mu sync.Mutex
mu.Lock()
defer mu.Unlock()
fn()
}
func WithRunTimeContext(closer func(), callback func(time.Duration)) {
start := time.Now()
closer()
timeduration := time.Since(start)
callback(timeduration)
}
// IfVal Simulate ternary calculations, pay attention to handling no variables or indexing problems
func IfVal(condition bool, trueVal, falseVal interface{}) interface{} {
if condition {
return trueVal
}
return falseVal
}
func Try(fn func(), catch func(e interface{}), finally ...func()) {
if len(finally) > 0 {
defer func() {
finally[0]()
}()
}
defer func() {
if err := recover(); err != nil {
if catch != nil {
catch(err)
} else {
panic(err)
}
}
}()
fn()
}
func CheckErr(err error, exit ...bool) {
if err != nil {
if len(exit) > 0 && exit[0] {
log.Fatalln(err)
return
}
panic(err)
}
}