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src: Fix a compilation bug with g++-8

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The Ubuntu Disco distribution comes with `g++` v8 installed by default,
which is not able to deduce the return type of a particular call to
`transform()`.

This commit explicitly declares the return type to mitigate that
problem, and allow the file to compile.

Fixes #3410
This commit is contained in:
Frank LENORMAND 2020-03-17 09:00:29 +03:00
parent 329f291ae0
commit 07d702e419
1 changed files with 1 additions and 1 deletions
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src/main.cc
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@ -312,7 +312,7 @@ static const EnvVarDesc builtin_env_vars[] = { {
"selections_length", false, "selections_length", false,
[](StringView name, const Context& context) -> Vector<String> [](StringView name, const Context& context) -> Vector<String>
{ return context.selections() | { return context.selections() |
transform([&](const Selection& s) { transform([&](const Selection& s) -> String {
return to_string(char_length(context.buffer(), s)); return to_string(char_length(context.buffer(), s));
}) | gather<Vector<String>>(); } }) | gather<Vector<String>>(); }
}, { }, {