Bool converts empty string, "0" and "false" to false, every other string to true.

Float64 converts string, float32 to float64.

Int32 converts strings, float32, float64 and int64 to int32 There could be data loss if you would like to convert from float32, float64 and int64.

Int64 converts strings, float32, float64 and int32 to int64 There could be data loss if you would like to convert from float32 or float64.

String gets an interface type and tries to convert it to a string If it can't it returns empty string.

Time gets an interface type and tries to convert it to a time.Time.