for loops

examples/programs/for_loop_edges/main.bro

@@ -0,0 +1,70 @@
+make_range :: func(calls @mut i32, end usize) int {
+	calls^ = calls^ + 1
+	return 0..end
+}
+
+global_range :: 0..1
+
+main :: func() i32 {
+	total i32 = 0
+
+	first u8 = 254
+	last u8 = 255
+	for first..=last |value| {
+		_ = value
+		total = total + 1
+	}
+
+	signed_start i8 = -2
+	signed_end i8 = 1
+	for signed_start..signed_end |value| {
+		_ = value
+		total = total + 1
+	}
+
+	limit usize = 3
+	for 0..(limit + 1) |value| {
+		_ = value
+		total = total + 1
+	}
+
+	for 0..2 |outer| {
+		_ = outer
+		for 0..3 |inner| {
+			_ = inner
+			total = total + 1
+		}
+	}
+
+	for 5..2 |value| {
+		_ = value
+		total = total + 100
+	}
+
+	empty [0]i32 = []
+	for empty |value| {
+		_ = value
+		total = total + 100
+	}
+
+	pointed i32 = 3
+	pointers [1]@mut i32 = [&pointed]
+	for pointers |pointer| {
+		total = total + pointer^
+	}
+
+	calls i32 = 0
+	for make_range(&calls, 2) |value| {
+		_ = value
+		total = total + 1
+	}
+	for global_range |value| {
+		_ = value
+		total = total + 1
+	}
+	if calls == 1 {
+		total = total + 21
+	}
+
+	return total
+}