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48 lines (42 loc) · 1.34 KB
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Copy pathgutil.go
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48 lines (42 loc) · 1.34 KB
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// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
// Package gutil provides utility functions.
package gutil
import (
"fmt"
"github.com/gogf/gf/internal/empty"
)
// Throw throws out an exception, which can be caught be TryCatch or recover.
func Throw(exception interface{}) {
panic(exception)
}
// Try implements try... logistics using internal panic...recover.
// It returns error if any exception occurs, or else it returns nil.
func Try(try func()) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf(`%v`, e)
}
}()
try()
return
}
// TryCatch implements try...catch... logistics using internal panic...recover.
// It automatically calls function <catch> if any exception occurs ans passes the exception as an error.
func TryCatch(try func(), catch ...func(exception error)) {
defer func() {
if e := recover(); e != nil && len(catch) > 0 {
catch[0](fmt.Errorf(`%v`, e))
}
}()
try()
}
// IsEmpty checks given <value> empty or not.
// It returns false if <value> is: integer(0), bool(false), slice/map(len=0), nil;
// or else returns true.
func IsEmpty(value interface{}) bool {
return empty.IsEmpty(value)
}