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Try to address #464

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This commit is contained in:
Evan Czaplicki 2014-01-20 17:06:25 +01:00
parent bb056ac2f4
commit 9be0abd018
1 changed files with 7 additions and 3 deletions
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10
libraries/Time.elm
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@ -81,9 +81,13 @@ each mouse click and false otherwise.
since : Time -> Signal a -> Signal Bool
since = Native.Time.since
{-| Add a timestamp to any signal. Timestamps increase monotonically. Each
timestamp is related to a specfic event, so `Mouse.x` and `Mouse.y` will always
have the same timestamp because they both rely on the same underlying event.
{-| Add a timestamp to any signal. Timestamps increase monotonically. When you
create `(timestamp Mouse.x)`, an initial timestamp is produced. The timestamp
updates whenever `Mouse.x` updates.
Timestamp updates are tied to individual events, so
`(timestamp Mouse.x)` and `(timestamp Mouse.y)` will always have the same
timestamp because they rely on the same underlying event (`Mouse.position`).
-}
timestamp : Signal a -> Signal (Time, a)
timestamp = Native.Time.timestamp