int16.go (3014B)
1 package pflag 2 3 import "strconv" 4 5 // -- int16 Value 6 type int16Value int16 7 8 func newInt16Value(val int16, p *int16) *int16Value { 9 *p = val 10 return (*int16Value)(p) 11 } 12 13 func (i *int16Value) Set(s string) error { 14 v, err := strconv.ParseInt(s, 0, 16) 15 *i = int16Value(v) 16 return err 17 } 18 19 func (i *int16Value) Type() string { 20 return "int16" 21 } 22 23 func (i *int16Value) String() string { return strconv.FormatInt(int64(*i), 10) } 24 25 func int16Conv(sval string) (interface{}, error) { 26 v, err := strconv.ParseInt(sval, 0, 16) 27 if err != nil { 28 return 0, err 29 } 30 return int16(v), nil 31 } 32 33 // GetInt16 returns the int16 value of a flag with the given name 34 func (f *FlagSet) GetInt16(name string) (int16, error) { 35 val, err := f.getFlagType(name, "int16", int16Conv) 36 if err != nil { 37 return 0, err 38 } 39 return val.(int16), nil 40 } 41 42 // Int16Var defines an int16 flag with specified name, default value, and usage string. 43 // The argument p points to an int16 variable in which to store the value of the flag. 44 func (f *FlagSet) Int16Var(p *int16, name string, value int16, usage string) { 45 f.VarP(newInt16Value(value, p), name, "", usage) 46 } 47 48 // Int16VarP is like Int16Var, but accepts a shorthand letter that can be used after a single dash. 49 func (f *FlagSet) Int16VarP(p *int16, name, shorthand string, value int16, usage string) { 50 f.VarP(newInt16Value(value, p), name, shorthand, usage) 51 } 52 53 // Int16Var defines an int16 flag with specified name, default value, and usage string. 54 // The argument p points to an int16 variable in which to store the value of the flag. 55 func Int16Var(p *int16, name string, value int16, usage string) { 56 CommandLine.VarP(newInt16Value(value, p), name, "", usage) 57 } 58 59 // Int16VarP is like Int16Var, but accepts a shorthand letter that can be used after a single dash. 60 func Int16VarP(p *int16, name, shorthand string, value int16, usage string) { 61 CommandLine.VarP(newInt16Value(value, p), name, shorthand, usage) 62 } 63 64 // Int16 defines an int16 flag with specified name, default value, and usage string. 65 // The return value is the address of an int16 variable that stores the value of the flag. 66 func (f *FlagSet) Int16(name string, value int16, usage string) *int16 { 67 p := new(int16) 68 f.Int16VarP(p, name, "", value, usage) 69 return p 70 } 71 72 // Int16P is like Int16, but accepts a shorthand letter that can be used after a single dash. 73 func (f *FlagSet) Int16P(name, shorthand string, value int16, usage string) *int16 { 74 p := new(int16) 75 f.Int16VarP(p, name, shorthand, value, usage) 76 return p 77 } 78 79 // Int16 defines an int16 flag with specified name, default value, and usage string. 80 // The return value is the address of an int16 variable that stores the value of the flag. 81 func Int16(name string, value int16, usage string) *int16 { 82 return CommandLine.Int16P(name, "", value, usage) 83 } 84 85 // Int16P is like Int16, but accepts a shorthand letter that can be used after a single dash. 86 func Int16P(name, shorthand string, value int16, usage string) *int16 { 87 return CommandLine.Int16P(name, shorthand, value, usage) 88 }