package main
import (
"fmt"
"strconv"
)
func main() {
f, _ := strconv.ParseFloat("1.234", 64)
fmt.Println(f)
i, _ := strconv.ParseInt("123", 0, 64)
fmt.Println(i)
d, _ := strconv.ParseInt("0x1c8", 0, 64)
fmt.Println(d)
u, _ := strconv.ParseUint("789", 0, 64)
fmt.Println(u)
k, _ := strconv.Atoi("135")
fmt.Println(k)
_, e := strconv.Atoi("wat")
fmt.Println(e)
}$ go run number-parsing.go
1.234
123
456
789
135
strconv.ParseInt: parsing "wat": invalid syntax