31 lines
549 B
Go
31 lines
549 B
Go
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package builtin
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import (
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"git.xdrm.io/go/aicra/typecheck"
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)
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// Uint checks if a value is an uint
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type Uint struct{}
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// NewUint returns a bare number type checker
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func NewUint() *Uint {
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return &Uint{}
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}
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// Checker returns the checker function
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func (Uint) Checker(typeName string) typecheck.CheckerFunc {
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// nothing if type not handled
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if typeName != "uint" {
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return nil
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}
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return func(value interface{}) bool {
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cast, isFloat := readFloat(value)
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if !isFloat {
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return false
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}
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return cast >= 0 && cast == float64(int(cast))
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}
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}
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