5af2978f77
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12108 626c5289-ae23-0410-ae9c-e8d60b6d4f22
67 lines
2.1 KiB
Go
67 lines
2.1 KiB
Go
// This example illustrates global variable access from Go.
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package main
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import (
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"fmt"
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"./example"
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)
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func main() {
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// Try to set the values of some global variables
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example.SetIvar(42)
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example.SetSvar(-31000)
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example.SetLvar(65537)
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example.SetUivar(123456)
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example.SetUsvar(61000)
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example.SetUlvar(654321)
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example.SetScvar(-13)
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example.SetUcvar(251)
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example.SetCvar('S')
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example.SetFvar(3.14159)
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example.SetDvar(2.1828)
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example.SetStrvar("Hello World")
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example.SetIptrvar(example.New_int(37))
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example.SetPtptr(example.New_Point(37, 42))
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example.SetName("Bill")
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// Now print out the values of the variables
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fmt.Println("Variables (values printed from Go)")
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fmt.Println("ivar =", example.GetIvar())
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fmt.Println("svar =", example.GetSvar())
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fmt.Println("lvar =", example.GetLvar())
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fmt.Println("uivar =", example.GetUivar())
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fmt.Println("usvar =", example.GetUsvar())
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fmt.Println("ulvar =", example.GetUlvar())
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fmt.Println("scvar =", example.GetScvar())
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fmt.Println("ucvar =", example.GetUcvar())
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fmt.Println("fvar =", example.GetFvar())
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fmt.Println("dvar =", example.GetDvar())
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fmt.Printf("cvar = %c\n", example.GetCvar())
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fmt.Println("strvar =", example.GetStrvar())
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fmt.Println("cstrvar =", example.GetCstrvar())
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fmt.Println("iptrvar =", example.GetIptrvar())
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fmt.Println("name =", example.GetName())
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fmt.Println("ptptr =", example.GetPtptr(), example.Point_print(example.GetPtptr()))
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fmt.Println("pt =", example.GetPt(), example.Point_print(example.GetPt()))
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fmt.Println("\nVariables (values printed from C)")
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example.Print_vars()
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// This line would not compile: since status is marked with
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// %immutable, there is no SetStatus function.
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// fmt.Println("\nNow I'm going to try and modify some read only variables")
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// example.SetStatus(0)
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fmt.Println("\nI'm going to try and update a structure variable.\n")
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example.SetPt(example.GetPtptr())
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fmt.Println("The new value is")
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example.Pt_print()
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fmt.Println("You should see the value", example.Point_print(example.GetPtptr()))
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}
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