1package pflag 2 3import ( 4 "fmt" 5 "strconv" 6) 7 8// -- uint64 Value 9type uint64Value uint64 10 11func newUint64Value(val uint64, p *uint64) *uint64Value { 12 *p = val 13 return (*uint64Value)(p) 14} 15 16func (i *uint64Value) Set(s string) error { 17 v, err := strconv.ParseUint(s, 0, 64) 18 *i = uint64Value(v) 19 return err 20} 21 22func (i *uint64Value) Type() string { 23 return "uint64" 24} 25 26func (i *uint64Value) String() string { return fmt.Sprintf("%v", *i) } 27 28func uint64Conv(sval string) (interface{}, error) { 29 v, err := strconv.ParseUint(sval, 0, 64) 30 if err != nil { 31 return 0, err 32 } 33 return uint64(v), nil 34} 35 36// GetUint64 return the uint64 value of a flag with the given name 37func (f *FlagSet) GetUint64(name string) (uint64, error) { 38 val, err := f.getFlagType(name, "uint64", uint64Conv) 39 if err != nil { 40 return 0, err 41 } 42 return val.(uint64), nil 43} 44 45// Uint64Var defines a uint64 flag with specified name, default value, and usage string. 46// The argument p points to a uint64 variable in which to store the value of the flag. 47func (f *FlagSet) Uint64Var(p *uint64, name string, value uint64, usage string) { 48 f.VarP(newUint64Value(value, p), name, "", usage) 49} 50 51// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash. 52func (f *FlagSet) Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) { 53 f.VarP(newUint64Value(value, p), name, shorthand, usage) 54} 55 56// Uint64Var defines a uint64 flag with specified name, default value, and usage string. 57// The argument p points to a uint64 variable in which to store the value of the flag. 58func Uint64Var(p *uint64, name string, value uint64, usage string) { 59 CommandLine.VarP(newUint64Value(value, p), name, "", usage) 60} 61 62// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash. 63func Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) { 64 CommandLine.VarP(newUint64Value(value, p), name, shorthand, usage) 65} 66 67// Uint64 defines a uint64 flag with specified name, default value, and usage string. 68// The return value is the address of a uint64 variable that stores the value of the flag. 69func (f *FlagSet) Uint64(name string, value uint64, usage string) *uint64 { 70 p := new(uint64) 71 f.Uint64VarP(p, name, "", value, usage) 72 return p 73} 74 75// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash. 76func (f *FlagSet) Uint64P(name, shorthand string, value uint64, usage string) *uint64 { 77 p := new(uint64) 78 f.Uint64VarP(p, name, shorthand, value, usage) 79 return p 80} 81 82// Uint64 defines a uint64 flag with specified name, default value, and usage string. 83// The return value is the address of a uint64 variable that stores the value of the flag. 84func Uint64(name string, value uint64, usage string) *uint64 { 85 return CommandLine.Uint64P(name, "", value, usage) 86} 87 88// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash. 89func Uint64P(name, shorthand string, value uint64, usage string) *uint64 { 90 return CommandLine.Uint64P(name, shorthand, value, usage) 91} 92