sysutil

Documentation

Index

• func As[T constraints.Integer](r1 uintptr, r2 uintptr, err error) T
• func AsBool(r1 uintptr, r2 uintptr, err error) bool
• func IsNoError(err error) bool
• func MustNoError[T constraints.Integer](r1 uintptr, r2 uintptr, err error) (T, error)
• func MustNotNegativeOne[T constraints.Signed](r1 uintptr, r2 uintptr, err error) (T, error)
• func MustNotZero[T constraints.Integer | ~unsafe.Pointer](r1 uintptr, r2 uintptr, err error) (T, error)
• func MustTrue(r1 uintptr, r2 uintptr, err error) error
• func MustZero[T constraints.Integer](r1 uintptr, r2 uintptr, err error) error

Functions

func As

func As[T constraints.Integer](r1 uintptr, r2 uintptr, err error) T

As returns T(r1) and ignores err.

func AsBool

func AsBool(r1 uintptr, r2 uintptr, err error) bool

AsBool returns whether r1 is not zero and ignores err.

func IsNoError

func IsNoError(err error) bool

IsNoError returns whether err matches(errors.Is) syscall.Error(0). This usually means no error during calling a syscall.

func MustNoError

func MustNoError[T constraints.Integer](r1 uintptr, r2 uintptr, err error) (T, error)

MustNoError returns (r1, nil) if err is(IsNoError) something other than syscall.Errno(0), r1, err otherwise.

func MustNotNegativeOne

func MustNotNegativeOne[T constraints.Signed](r1 uintptr, r2 uintptr, err error) (T, error)

MustNotNegativeOne returns (r1, nil) if r1 is not -1, (r1, err) otherwise.

func MustNotZero

func MustNotZero[T constraints.Integer | ~unsafe.Pointer](r1 uintptr, r2 uintptr, err error) (T, error)

MustNotZero returns (r1, nil) if r1 is not zero, (r1, err) otherwise.

func MustTrue

func MustTrue(r1 uintptr, r2 uintptr, err error) error

MustTrue returns nil if r1 is not 0, err otherwise.

func MustZero

func MustZero[T constraints.Integer](r1 uintptr, r2 uintptr, err error) error

MustZero returns nil if r1 is 0, err otherwise.