C++ interpreter API: add a Value::Value(int) constructor (#974)

CHANGELOG.md

@@ -3,6 +3,10 @@ All notable changes to this project will be documented in this file.
 
 ## Unreleased
 
+### Added
+
+ - C++ interpreter API: added a `Value::Value(int)` constructor
+
 ## [0.2.0] - 2022-02-10
 
 This version changes some APIs in incompatible ways. For details how to migrate your application code, see the [C++ migration guide](api/cpp/docs/cpp_migration.md)

api/cpp/include/slint_interpreter.h

@@ -366,6 +366,9 @@ public:
 
     /// Constructs a new Value that holds the double \a value.
     Value(double value) { cbindgen_private::slint_interpreter_value_new_double(value, &inner); }
+    /// Constructs a new Value that holds the int \a value.
+    /// Internally this is stored as a double and Value::type() will return Value::Type::Number.
+    Value(int value) : Value(static_cast<double>(value)) { }
     /// Constructs a new Value that holds the string \a str.
     Value(const SharedString &str)
     {

api/cpp/tests/interpreter.cpp

@@ -36,6 +36,11 @@ SCENARIO("Value API")
         auto number_opt = value.to_number();
         REQUIRE(number_opt.has_value());
         REQUIRE(number_opt.value() == number);
+
+        Value v2 = 42;
+        REQUIRE(v2.type() == Value::Type::Number);
+        REQUIRE(v2 == value);
+        REQUIRE(*v2.to_number() == number);
     }
 
     SECTION("Construct a bool")