e$B;38}$H?=$7$^$9!#e(B
e$B%j%j!<%9D>A0$N$K;$7$$;~4|$KBgJQ:Y$+$$OC$G62=L$J$N$G$9$,!"e(Benum.c
e$B$Ne(B enum_inject e$B$K$$1$k@bL@J8$K8m$j$,$"$k$h$&$G$9!#e(B
[1,2,3].inject(0, :+)
#=> 6
[1,2,3].inject(:+, 0)
=> in `inject’: 0 is not a symbol (TypeError)
from -e:1:in `’
Index: enum.c
— enum.c (e$B%j%S%8%g%se(B 14517)
+++ enum.c (e$B:n6H%3%T!<e(B)
@@ -370,12 +370,12 @@
/*
- call-seq:
-
-
enum.inject(sym, initial) => obj
-
-
-
enum.inject(initial, sym) => obj -
enum.inject(sym) => obj -
enum.inject(initial) {| memo, obj | block } => obj -
enum.inject {| memo, obj | block } => obj
-
-
-
enum.reduce(sym, initial) => obj
-
-
-
enum.reduce(initial, sym) => obj -
enum.reduce(sym) => obj -
enum.reduce(initial) {| memo, obj | block } => obj -
enum.reduce {| memo, obj | block } => obj
-
@@ -403,7 +403,7 @@
-
# Same using a block and inject -
(5..10).inject {|sum, n| sum + n } #=> 45 -
# Multiply some numbers
-
-
(5..10).reduce(:*, 1) #=> 151200
-
-
-
(5..10).reduce(1, :*) #=> 151200 -
# Same using a block -
(5..10).inject(1) {|product, n| product * n } #=> 151200 -
# find the longest word
-
e$B;38}7DB@e(B
e$BKL3$F;Bg3XBg3X1!J83X8&5f2Je(BD3
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