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// This example illustrates global variable access from Go.
package main
import (
"fmt"
"swigtests/example"
)
func main() {
// Try to set the values of some global variables
example.SetIvar(42)
example.SetSvar(-31000)
example.SetLvar(65537)
example.SetUivar(123456)
example.SetUsvar(61000)
example.SetUlvar(654321)
example.SetScvar(-13)
example.SetUcvar(251)
example.SetCvar('S')
example.SetFvar(3.14159)
example.SetDvar(2.1828)
example.SetStrvar("Hello World")
example.SetIptrvar(example.New_int(37))
example.SetPtptr(example.New_Point(37, 42))
example.SetName("Bill")
// Now print out the values of the variables
fmt.Println("Variables (values printed from Go)")
fmt.Println("ivar =", example.GetIvar())
fmt.Println("svar =", example.GetSvar())
fmt.Println("lvar =", example.GetLvar())
fmt.Println("uivar =", example.GetUivar())
fmt.Println("usvar =", example.GetUsvar())
fmt.Println("ulvar =", example.GetUlvar())
fmt.Println("scvar =", example.GetScvar())
fmt.Println("ucvar =", example.GetUcvar())
fmt.Println("fvar =", example.GetFvar())
fmt.Println("dvar =", example.GetDvar())
fmt.Printf("cvar = %c\n", example.GetCvar())
fmt.Println("strvar =", example.GetStrvar())
fmt.Println("cstrvar =", example.GetCstrvar())
fmt.Println("iptrvar =", example.GetIptrvar())
fmt.Println("name =", example.GetName())
fmt.Println("ptptr =", example.GetPtptr(), example.Point_print(example.GetPtptr()))
fmt.Println("pt =", example.GetPt(), example.Point_print(example.GetPt()))
fmt.Println("\nVariables (values printed from C)")
example.Print_vars()
// This line would not compile: since status is marked with
// %immutable, there is no SetStatus function.
// fmt.Println("\nNow I'm going to try and modify some read only variables")
// example.SetStatus(0)
fmt.Println("\nI'm going to try and update a structure variable.\n")
example.SetPt(example.GetPtptr())
fmt.Println("The new value is")
example.Pt_print()
fmt.Println("You should see the value", example.Point_print(example.GetPtptr()))
}
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