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added Assert + Result Type Utils #13

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added Assert + Result Type Utils #13

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36 changes: 36 additions & 0 deletions goutil/utils.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
package goutils

import "fmt"

// Assert panics if the condition is FALSE.
func Assert(condition bool, message string, args ...interface{}) {
if !condition {
panic(fmt.Sprintf("assertion failed: "+message, args...))
}
}

// Lowkey gonna make a result type
type Result[T any] struct {
Val T
Err error
}

func (r Result[T]) Unwrap() T {
if r.Err != nil {
panic(r.Err)
}
return r.Val
}

func Err[T any](err error) Result[T] {
return Result[T]{
Err: err,
}
}

func Ok[T any](val T) Result[T] {
return Result[T]{
Val: val,
Err: nil,
}
}
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