52 lines
724 B
Go
52 lines
724 B
Go
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// utils.go
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package expr
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func isString(v any) (ok bool) {
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_, ok = v.(string)
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return ok
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}
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func isInteger(v any) (ok bool) {
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_, ok = v.(int64)
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return ok
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}
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func isFloat(v any) (ok bool) {
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_, ok = v.(float64)
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return ok
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}
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func isNumber(v any) (ok bool) {
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return isFloat(v) || isInteger(v)
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}
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func isNumberString(v any) (ok bool) {
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return isString(v) || isNumber(v)
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}
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func numAsFloat(v any) (f float64) {
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var ok bool
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if f, ok = v.(float64); !ok {
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i, _ := v.(int64)
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f = float64(i)
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}
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return
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}
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func toBool(v any) (b bool, ok bool) {
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ok = true
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switch x := v.(type) {
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case string:
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b = len(x) > 0
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case float64:
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b = x != 0.0
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case int64:
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b = x != 0
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case bool:
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b = x
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default:
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ok = false
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}
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return
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}
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