Go Package reflect: Difference between revisions
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Line 26: | Line 26: | ||
fmt.Println(reflect.TypeOf(f)) // returns a Type and will print 'float64' | fmt.Println(reflect.TypeOf(f)) // returns a Type and will print 'float64' | ||
fmt.Println(reflect.TypeOf(s)) // returns a Type and will print 'string' | fmt.Println(reflect.TypeOf(s)) // returns a Type and will print 'string' | ||
err := errors.New("some error") | |||
fmt.Println(reflect.TypeOf(err)) // returns a Type and will print '*errors.errorString' | |||
} | } | ||
</syntaxhighlight> | </syntaxhighlight> |
Latest revision as of 01:43, 28 December 2023
External
Internal
Overview
reflect.TypeOf()
Getting the Type of Variable
package main
import (
"fmt"
"reflect"
)
func main() {
i := 10
f := 10.1
s := "blue"
fmt.Println(reflect.TypeOf(i)) // returns a Type and will print 'int'
fmt.Println(reflect.TypeOf(f)) // returns a Type and will print 'float64'
fmt.Println(reflect.TypeOf(s)) // returns a Type and will print 'string'
err := errors.New("some error")
fmt.Println(reflect.TypeOf(err)) // returns a Type and will print '*errors.errorString'
}