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-rw-r--r--src/example.zig45
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diff --git a/src/example.zig b/src/example.zig
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+const std = @import("std");
+const func = @import("funcz");
+const c = func.combinators;
+
+fn iter(n: i32) i32 {
+ return n + 1;
+}
+
+fn mul2(n: i32) i32 {
+ return n * 2;
+}
+
+fn add(n: i32, m: i32) i32 {
+ return n + m;
+}
+
+fn addThenMultiply(n: i32, m: i32, q: i32) i32 {
+ return (n + m) * q;
+}
+
+pub fn main() !void {
+ var gpa = std.heap.DebugAllocator(.{}){};
+ const allocator = gpa.allocator();
+ // Currying
+ const curriedAddResult = func.curry(add)(4)(5);
+ // Composition
+ const iterThenMul2 = func.compose(mul2, iter);
+ const composed = iterThenMul2(5);
+ // Map
+ var items = [_]i32{ 0, 1, 2, 3, 4 };
+ const itemsSlice: []i32 = items[0..items.len];
+ const buffer = try func.mapAlloc(allocator, iterThenMul2, itemsSlice);
+
+ std.debug.print("curry(add)(4)(5) = {any}\n", .{ curriedAddResult });
+ std.debug.print("compose(mul2, iter)(5) = {d}\n", .{ composed });
+ std.debug.print("mapAlloc(allocator, compose(mul2, iter), []i32{{ 0, 1, 2, 3, 4 }}) = {{ ", .{});
+ // func.map(func: anytype, items: anytype, buffer: anytype)
+ for(buffer) |item| {
+ std.debug.print("{d}, ", .{item});
+ }
+ std.debug.print("}}\n", .{});
+ std.debug.print("I(5) = {any}\n", .{c.I(5)});
+ std.debug.print("K(5)(7) = {any}\n", .{c.K(5)(7)});
+ std.debug.print("(S K S K)(5)(7) = {any}\n", .{((c.S(c.K)(c.S)(c.K))(mul2)(func.curry(add)(3)))(7)});
+}