migrate to bigint backed (u)int64

argparse/arg_spec.mbt

@@ -18,6 +18,7 @@
 /// - `SetTrue` / `SetFalse` set a boolean value.
 /// - `Count` increments `Matches.flag_counts`.
 /// - `Help` / `Version` display output and exit successfully when triggered.
+#warnings("-deprecated_syntax")
 pub(all) enum FlagAction {
   SetTrue
   SetFalse
@@ -31,6 +32,7 @@ pub(all) enum FlagAction {
 ///
 /// - `Set` keeps the last provided value.
 /// - `Append` keeps all provided values in order.
+#warnings("-deprecated_syntax")
 pub(all) enum OptionAction {
   Set
   Append

argparse/matches.mbt

@@ -17,6 +17,7 @@ using @debug {trait Debug, type Repr}
 
 ///|
 /// Where a value/flag came from.
+#warnings("-deprecated_syntax")
 pub enum ValueSource {
   Argv
   Env

argparse/value_range.mbt

@@ -14,6 +14,7 @@
 
 ///|
 /// Number-of-values constraint for an argument.
+#warnings("-deprecated_syntax")
 pub struct ValueRange {
   priv lower : Int
   priv upper : Int?

bigint/bigint_js.mbt

@@ -255,11 +255,10 @@ pub extern "js" fn BigInt::from_uint(x : UInt) -> BigInt =
 
 ///|
 pub extern "js" fn BigInt::from_int64(x : Int64) -> BigInt =
-  #|(x) => BigInt(x.hi) * 0x100000000n + BigInt(x.lo >>> 0)
+  #|(x) => BigInt.asIntN(64, x)
 
 ///|
-pub extern "js" fn BigInt::from_uint64(x : UInt64) -> BigInt =
-  #|(x) => BigInt(x.hi >>> 0) * 0x100000000n + BigInt(x.lo >>> 0)
+pub fn BigInt::from_uint64(x : UInt64) -> BigInt = "%identity"
 
 ///|
 pub extern "js" fn BigInt::is_zero(self : BigInt) -> Bool =

bool/bool_test.mbt

@@ -23,6 +23,7 @@ test "Bool hash function" {
 }
 
 ///|
+#warnings("-deprecated_syntax")
 test "Bool hash function with struct" {
   struct TestHash {
     flag : Bool

builtin/autoloc.mbt

@@ -96,6 +96,7 @@ pub fn SourceLoc::to_json_string(self : SourceLoc) -> String {
 /// array of optional source locations, where each element corresponds to an
 /// argument's location in the source code. Used internally by the compiler for
 /// error reporting and debugging purposes.
+#warnings("-deprecated_syntax")
 pub(all) struct ArgsLoc(Array[SourceLoc?]) derive(Show)
 
 ///|

builtin/char_test.mbt

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 ///|
+#warnings("-deprecated_syntax")
 enum H {
   A(Char)
 } derive(Show)

builtin/failure.mbt

@@ -34,6 +34,7 @@
 ///   @json.json_inspect(err, content=["Failure", "Test assertion failed"])
 /// }
 /// ```
+#warnings("-deprecated_syntax")
 pub(all) suberror Failure {
   Failure(String)
 } derive(ToJson, Show)

builtin/feature_test.mbt

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 ///|
+#warnings("-deprecated_syntax")
 struct RangeImpl[T] {
   lo : T
   hi : T

builtin/guard_feature_test.mbt

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 ///|
+#warnings("-deprecated_syntax")
 enum Expr {
   Add(Expr, Expr)
   Sub(Expr, Expr)