mutable decl syntax change

examples/programs/for_loop_edges/main.bro

@@ -6,23 +6,23 @@ make_range func(calls @mut i32, end usize) range {
 global_range :: 0..1
 
 main func() i32 {
-	total i32 = 0
+	total i32 := 0
 
-	first u8 = 254
-	last u8 = 255
+	first u8 := 254
+	last u8 := 255
 	for first..=last |value| {
 		_ = value
 		total = total + 1
 	}
 
-	signed_start i8 = -2
-	signed_end i8 = 1
+	signed_start i8 := -2
+	signed_end i8 := 1
 	for signed_start..signed_end |value| {
 		_ = value
 		total = total + 1
 	}
 
-	limit usize = 3
+	limit usize := 3
 	for 0..(limit + 1) |value| {
 		_ = value
 		total = total + 1
@@ -41,19 +41,19 @@ main func() i32 {
 		total = total + 100
 	}
 
-	empty [0]i32 = []
+	empty [0]i32 := []
 	for empty |value| {
 		_ = value
 		total = total + 100
 	}
 
-	pointed i32 = 3
-	pointers [1]@mut i32 = [&pointed]
+	pointed i32 := 3
+	pointers [1]@mut i32 := [&pointed]
 	for pointers |pointer| {
 		total = total + pointer^
 	}
 
-	calls i32 = 0
+	calls i32 := 0
 	for make_range(&calls, 2) |value| {
 		_ = value
 		total = total + 1