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std/num.zr

@@ -1,4 +1,4 @@
-include "std/core.zr"
+include "std/io.zr"
 
 func i64.abs[n: i64] : i64
     if n == -9223372036854775808
@@ -97,6 +97,16 @@ func i64.to_hex_str_buf[n: i64, buf: ptr] : void
 
     buf[len] = 0
 
+func i64.to_str[n: i64] : str
+    out := mem.alloc(21)
+    n->to_str_buf(out)
+    return out as str
+
+func i64.to_hex_str[n: i64] : str
+    out := mem.alloc(17)
+    n->to_hex_str_buf(out)
+    return out as str
+
 func f64.to_str_buf[x: i64, buf: ptr] : void
     bits := x
     sign := (bits >> 63) & 1