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Improve timer:tc/1,2,3 specs #10841

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Improve timer:tc/1,2,3 specs #10841

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10 changes: 5 additions & 5 deletions lib/stdlib/src/timer.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -384,7 +384,7 @@ finished or not.
> started in intervals of 1ms, which would result in 1,000,000 processes running
> at the same time, far more than a node started with default settings allows
> (see the
> [System Limits section in the Effiency Guide](`e:system:system_limits.md`)).
> [System Limits section in the Efficiency Guide](`e:system:system_limits.md`)).
""".
-spec apply_interval(Time, Module, Function, Arguments) ->
{'ok', TRef} | {'error', Reason}
Expand Down Expand Up @@ -562,7 +562,7 @@ sleep(T) ->
-doc(#{equiv => tc(Fun, microsecond)}).
-doc(#{since => ~"OTP R14B03"}).
-spec tc(Fun) -> {Time, Value}
when Fun :: function(),
when Fun :: fun(() -> term()),
Time :: integer(),
Value :: term().
tc(F) ->
Expand All @@ -583,12 +583,12 @@ Measures the execution time of `Fun` in `TimeUnit` if called as `tc(Fun, TimeUni
""".
-doc #{ since => ~"OTP R14B" }.
-spec tc(Fun, Arguments) -> {Time, Value}
when Fun :: function(),
when Fun :: fun((...) -> term()),
Arguments :: [term()],
Time :: integer(),
Value :: term();
(Fun, TimeUnit) -> {Time, Value}
when Fun :: function(),
when Fun :: fun(() -> term()),
TimeUnit :: erlang:time_unit(),
Time :: integer(),
Value :: term().
Expand Down Expand Up @@ -621,7 +621,7 @@ Equivalent to [`tc(erlang, apply, [Fun, Arguments], TimeUnit)`](`tc/4`) if calle
Time :: integer(),
Value :: term();
(Fun, Arguments, TimeUnit) -> {Time, Value}
when Fun :: function(),
when Fun :: fun((...) -> term()),
Arguments :: [term()],
TimeUnit :: erlang:time_unit(),
Time :: integer(),
Expand Down
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