github.com/zhongdalu/gf@v1.0.0/g/g_func.go (about)

     1  // Copyright 2017 gf Author(https://github.com/zhongdalu/gf). All Rights Reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the MIT License.
     4  // If a copy of the MIT was not distributed with this file,
     5  // You can obtain one at https://github.com/zhongdalu/gf.
     6  
     7  package g
     8  
     9  import (
    10  	"github.com/zhongdalu/gf/g/container/gvar"
    11  	"github.com/zhongdalu/gf/g/internal/empty"
    12  	"github.com/zhongdalu/gf/g/net/ghttp"
    13  	"github.com/zhongdalu/gf/g/util/gutil"
    14  )
    15  
    16  // NewVar returns a *gvar.Var.
    17  func NewVar(i interface{}, unsafe ...bool) *Var {
    18  	return gvar.New(i, unsafe...)
    19  }
    20  
    21  // Wait blocks until all the web servers shutdown.
    22  func Wait() {
    23  	ghttp.Wait()
    24  }
    25  
    26  // Dump dumps a variable to stdout with more manually readable.
    27  func Dump(i ...interface{}) {
    28  	gutil.Dump(i...)
    29  }
    30  
    31  // Export exports a variable to string with more manually readable.
    32  func Export(i ...interface{}) string {
    33  	return gutil.Export(i...)
    34  }
    35  
    36  // Throw throws a exception, which can be caught by TryCatch function.
    37  // It always be used in TryCatch function.
    38  func Throw(exception interface{}) {
    39  	gutil.Throw(exception)
    40  }
    41  
    42  // TryCatch does the try...catch... mechanism.
    43  func TryCatch(try func(), catch ...func(exception interface{})) {
    44  	gutil.TryCatch(try, catch...)
    45  }
    46  
    47  // IsEmpty checks given value empty or not.
    48  // It returns false if value is: integer(0), bool(false), slice/map(len=0), nil;
    49  // or else true.
    50  func IsEmpty(value interface{}) bool {
    51  	return empty.IsEmpty(value)
    52  }