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Add throwing parameter name if parameter is not set #833

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merged 3 commits into from
Sep 10, 2019
Merged

Add throwing parameter name if parameter is not set #833

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265f565
added throwing parameter name if parameter is not set
cvbn127 Aug 4, 2019
aacef1c
parameter capturing was added
cvbn127 Aug 22, 2019
b56d6f9
Minimal correction
ivanpauno Sep 6, 2019
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6 changes: 5 additions & 1 deletion rclcpp/include/rclcpp/parameter_client.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -271,7 +271,11 @@ class SyncParametersClient
{
return get_parameter_impl(
parameter_name,
std::function<T()>([]() -> T {throw std::runtime_error("Parameter not set");}));
std::function<T()>([&parameter_name]() -> T
{
throw std::runtime_error("Parameter '" + parameter_name + "' is not set");
})
);
}

RCLCPP_PUBLIC
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