Relax compile dependencies

conanfile.py

@@ -64,15 +64,15 @@ def validate(self):
             )
 
     def requirements(self):
-        self.requires("mbits-mstch/1.0.4")
-        self.requires("metal-cpp/15.2")
-        self.requires("rapidhash/3.0")
-        self.requires("jsoncons/1.3.0")
+        self.requires("mbits-mstch/[>=1.0.0 <2.0.0]")
+        self.requires("metal-cpp/[>=15.2]")
+        self.requires("rapidhash/[>=3.0 <4.0]")
+        self.requires("jsoncons/[>1.3.0 <1.7.0]")
         self.requires("pcre2/[>=10.30 <11.0]")
-        self.requires("simdutf/9.0.0")
+        self.requires("simdutf/[>=8.2.0 <9.0.0]")
 
         if self.options.build_executable:
-            self.requires("argparse/[>=3.2 <4.0.0]")
+            self.requires("argparse/[>=3.0 <4.0.0]")
             self.requires("keychain/[>=1.3.0 <2.0.0]")
             self.requires("toml11/[>=4.0.0 <5.0.0]")
 
@@ -82,7 +82,7 @@ def requirements(self):
 
     def build_requirements(self):
         self.tool_requires("cmake/[>=3.31.0]")
-        self.tool_requires("ninja/[~1.13.2]")
+        self.tool_requires("ninja/[>=1.10.2]")
         self.test_requires("catch2/[>=3.7.0 <4.0.0]")
 
     def generate(self):

src/gemma.cc

@@ -62,7 +62,10 @@ gemma3_options_serializer::save(std::ostream& os, const nn::gemma3_options& opti
                               .float_format(jsoncons::float_chars_format::general)
                               .precision(os.precision());
 
-    jsoncons::encode_json<options_type>(hf_options, os, encode_options);
+    auto result = jsoncons::try_encode_json<options_type>(hf_options, os, encode_options);
+    if (!result) {
+        throw jsoncons::ser_error(result.error());
+    }
 }
 
 

src/llama.cc

@@ -74,7 +74,10 @@ llama3_options_serializer::save(std::ostream& os, const nn::llama3_options& opti
                               .float_format(jsoncons::float_chars_format::general)
                               .precision(os.precision());
 
-    jsoncons::encode_json<options_type>(hf_options, os, encode_options);
+    auto result = jsoncons::try_encode_json<options_type>(hf_options, os, encode_options);
+    if (!result) {
+        throw jsoncons::ser_error(result.error());
+    }
 }
 
 

src/safetensor.cc

@@ -305,7 +305,10 @@ safetensor_document::save(const std::filesystem::path& p)
     }
 
     std::string header_json;
-    jsoncons::encode_json(header, header_json);
+    auto result = jsoncons::try_encode_json(header, header_json);
+    if (!result) {
+        throw jsoncons::ser_error(result.error());
+    }
 
     auto header_size = header_json.size();
 

test/test_safetensor.cc

@@ -190,7 +190,9 @@ TEST_CASE("Test sharded document", "[safetensor]")
     };
 
     std::ofstream index_file(index_path);
-    jsoncons::encode_json<safetensor_index>(index, index_file);
+    auto result = jsoncons::try_encode_json<safetensor_index>(index, index_file);
+    REQUIRE(result.has_value());
+
     index_file.close();
 
     auto doc = sharded_safetensor_document::open(index_path);