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authorXavier Noria <fxn@hashref.com>2009-09-22 23:08:22 +0200
committerXavier Noria <fxn@hashref.com>2009-09-22 23:09:31 +0200
commit547865bc3d9fc0a4196f34a44d7968ea0cfdb4d9 (patch)
tree2ab69f1a63685431bcb22022a3f46dd3dac979e3
parent76e4e686f99025a7fde612bd83080f9753159ae5 (diff)
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AS guide: documents String#first, and String#last
-rw-r--r--railties/guides/source/active_support_overview.textile8
1 files changed, 8 insertions, 0 deletions
diff --git a/railties/guides/source/active_support_overview.textile b/railties/guides/source/active_support_overview.textile
index b847e3b742..8e53672abd 100644
--- a/railties/guides/source/active_support_overview.textile
+++ b/railties/guides/source/active_support_overview.textile
@@ -772,6 +772,14 @@ Returns the substring of the string up to position +position+:
"hello".to(10) # => "hello"
</ruby>
+h5. +first(limit = 1)+
+
+The call +str.first(n)+ is equivalent to +str.to(n-1)+ if +n+ > 0, and returns an empty string for +n+ == 0.
+
+h5. +last(limit = 1)+
+
+The call +str.last(n)+ is equivalent to +str.from(-n)+ if +n+ > 0, and returns an empty string for +n+ == 0.
+
h3. Extensions to +Numeric+
...