util

func ApplyOnType ¶

func ApplyOnType[T any](t *T, tFuncs []func(*T))

ApplyOnType takes the address of type `t` and an array of functions that do something with this type, and applies the functions to the type.

func FTWSTHf ¶

func FTWSTHf(formatString string, vals ...interface{}) string

FTWSTHf adds a message at the end of the given string, indicating the developer's frustration. It takes a format string as its main input so go nuts.

func IsNonNilPointer ¶

func IsNonNilPointer(v interface{}) bool

func JSONResponse ¶

func JSONResponse(w http.ResponseWriter, out any, optfuncs ...jSONRespOptFunc)

JSONResponse marshalls the argument `out` into JSON and response on the provided ResponseWriter. Options can be provided to further modidy the response.

func Line ¶

func Line(x float64) float64

func LogOnError ¶

func LogOnError(err error, msg string)

func Map ¶

func Map[T Numeric](input, inputStart, inputEnd, outputStart, outputEnd T) T

func Must ¶

func Must(err error, msgs ...string)

Must is a quick way to panic in programs if an error exists with a helpful message being printed. It helps avoid having check for errors at every step of a top-level program.

func NewImageReaderFromUrl ¶

func NewImageReaderFromUrl(endpoint string) (io.ReadCloser, error)

func OptimisticAtoi ¶

func OptimisticAtoi(inp string) int

OptimisticAtoi is the, well, optimistic version of the stdlib's Atoi function. It assumes the conversion will succeed for sure. Don't use in production.

func RandNegOneOne ¶

func RandNegOneOne() float64

func ReadBodyAsString ¶

func ReadBodyAsString(r *http.Request) string

func Sample ¶

func Sample[T any](slice []T) T

func Sigmoid ¶

func Sigmoid(x float64) float64

func Sign ¶

func Sign[T Numeric](inp T) T

func WithStatusCode ¶

func WithStatusCode(statusCode int) jSONRespOptFunc

WithStatusCode allows modifying the status code of the JSON response. The default is 200 OK.