Call a function: Difference between revisions

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@@ Line 1,875: / Line 1,875: @@
 	i = len(list)</lang>
 * Go has no subroutines, just functions and methods.
-* Go arguments are passed by value or by reference
-::As with C, a pointer can be used to achieve the effect of reference passing. (Like pointers, slice arguments have their contents passed by reference, it's the slice header that is passed by value).
 * Go arguments are passed by value.
+::As with C, a pointer can be used to achieve the effect of reference passing. (Like pointers, slice arguments have their contents passed by reference, it's the slice header that is passed by value).
+* Go arguments are passed by value or by reference
 <lang go>package main
@@ Line 1,900: / Line 1,899: @@
 	fmt.Println("pointer:", &i) // prt pointer: 0xc0000140b8
 }</lang>
-* Partial application is not directly supported.
+* Partial and Currying is not directly supported.
+<lang go>package main
+import "fmt"
+func mkAdd(a int) func(int) int {
+	return func(b int) int {
+		return a + b
+	}
+}
+func sum(x, y int) int {
+	return x + y
+}
+func partialSum(x int) func(int) int {
+	return func(y int) int {
+		return sum(x, y)
+	}
+}
+func main() {
+	// Is partial application possible and how
+	add2 := mkAdd(2)
+	add3 := mkAdd(3)
+	fmt.Println(add2(5), add3(6)) // prt 7 9
+	// Currying functions in go
+	partial := partialSum(13)
+	fmt.Println(partial(5)) //prt 18
+}</lang>
 ::However something similar can be done, see [[Partial function application#Go]]