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doc source examples comments

1.3.0 permalink

1.2.0
1.3.0

ffirst

clojure.core

(ffirst x)

Same as (first (first x))

© Rich Hickey. All rights reserved. Eclipse Public License 1.0

2 Examples top

link | changes
```
user=> (ffirst '([]))
nil 

user=> (ffirst ['(a b c) '(b a c)])
a 

user=> (ffirst '([a b c] [b a c]))
a
```
user=> (ffirst '([])) nil user=> (ffirst ['(a b c) '(b a c)]) a user=> (ffirst '([a b c] [b a c])) a
link | changes
```
user=> (first {:b 2 :a 1 :c 3})
[:b 2] 

user=> (ffirst {:b 2 :a 1 :c 3})
:b
```
user=> (first {:b 2 :a 1 :c 3}) [:b 2] user=> (ffirst {:b 2 :a 1 :c 3}) :b

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See Also top

0
clojure.core/first
Returns the first item in the collection. Calls seq on its argume
0
clojure.core/fnext
Same as (first (next x))
0
clojure.core/nfirst
Same as (next (first x))

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Source clojure/core.clj:96 top

(def
 ^{:doc "Same as (first (first x))"
   :arglists '([x])
   :added "1.0"
   :static true}
 ffirst (fn ^:static ffirst [x] (first (first x))))

© Rich Hickey. All rights reserved. Eclipse Public License 1.0

Vars in clojure.core/ffirst:

Used in 0 other vars

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