uniform function call syntax

examples/puzzles/aoc2024_07.zr

@@ -1,38 +1,38 @@
 func concat[a: i64, b: i64] : i64
     ab_str := _stackalloc(50) as str
-    io.snprintf(ab_str, 50, "%d%d", a, b)
-    return str.parse_i64(ab_str)
+    ab_str->format_into(50, "%d%d", a, b)
+    return ab_str->parse_i64()
 
 func solve[ops: Array, e: Array] : i64
-    e_1 : Array = array.nth(e, 1)
+    e_1 : Array = e->nth(1)
     n := e_1->size - 1
     indices := []
     for i in 0..n
-        array.push(indices, 0)
+        indices->push(0)
 
     while true
-        res : i64 = array.nth(e_1, 0)
+        res : i64 = e_1->nth(0)
         for i in 0..n
-            op : str = array.nth(ops, array.nth(indices, i))
+            op : str = ops->nth(indices->nth(i))
 
-            if str.equal(op, "add")
-                res += array.nth(e_1, i + 1)
-            else if str.equal(op, "mul")
-                res = res * array.nth(e_1, i + 1)
-            else if str.equal(op, "concat")
-                res = concat(res, array.nth(e_1, i + 1))
-        if res == array.nth(e, 0)
+            if op->equal("add")
+                res += e_1->nth(i + 1)
+            else if op->equal("mul")
+                res = res * e_1->nth(i + 1)
+            else if op->equal("concat")
+                res = concat(res, e_1->nth(i + 1))
+        if res == e->nth(0)
             return res
 
         done := true
         i := n - 1
 
         while i >= 0
-            array.set(indices, i, array.nth(indices, i) + 1)
-            if array.nth(indices, i) < ops->size
+            indices->set(i, indices->nth(i) + 1)
+            if indices->nth(i) < ops->size
                 done = false
                 break
-            array.set(indices, i, 0)
+            indices->set(i, 0)
             i -= 1
         
         if done
@@ -42,7 +42,7 @@ func part1[equations: Array] : void
     out := 0
 
     for i in 0..equations->size
-        out += solve(["add", "mul"], array.nth(equations, i))
+        out += solve(["add", "mul"], equations->nth(i))
 
     io.println_i64(out)
 
@@ -50,7 +50,7 @@ func part2[equations: Array] : void
     out := 0
 
     for i in 0..equations->size
-        out += solve(["add", "mul", "concat"], array.nth(equations, i))
+        out += solve(["add", "mul", "concat"], equations->nth(i))
 
     io.println_i64(out)
 
@@ -59,18 +59,18 @@ func main[] : i64
     if !ok
         panic("failed to open input.txt")
     
-    lines := str.split(input, "\n")
+    lines := input->split("\n")
     equations := []
 
     for i in 0..lines->size
-        line : str = array.nth(lines, i)
-        parts := str.split(line, ": ")
+        line : str = lines->nth(i)
+        parts := line->split(": ")
 
-        xs := str.split(array.nth(parts, 1), " ")
+        xs := (parts->nth(1) as str)->split(" ")
         for j in 0..xs->size
-            array.set(xs, j, str.parse_i64(array.nth(xs, j)))
+            xs->set(j, (xs->nth(j) as str)->parse_i64())
 
-        array.push(equations, [str.parse_i64(array.nth(parts, 0)), xs])
+        equations->push([(parts->nth(0) as str)->parse_i64(), xs])
 
     part1(equations)
     part2(equations)