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package pretty
import (
"reflect"
)
func nonzero(v reflect.Value) bool {
switch v.Kind() {
case reflect.Bool:
return v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() != 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() != 0
case reflect.Float32, reflect.Float64:
return v.Float() != 0
case reflect.Complex64, reflect.Complex128:
return v.Complex() != complex(0, 0)
case reflect.String:
return v.String() != ""
case reflect.Struct:
for i := 0; i < v.NumField(); i++ {
if nonzero(getField(v, i)) {
return true
}
}
return false
case reflect.Array:
for i := 0; i < v.Len(); i++ {
if nonzero(v.Index(i)) {
return true
}
}
return false
case reflect.Map, reflect.Interface, reflect.Slice, reflect.Ptr, reflect.Chan, reflect.Func:
return !v.IsNil()
case reflect.UnsafePointer:
return v.Pointer() != 0
}
return true
}
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