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Diffstat (limited to 'railties/guides')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 696db30efb..dfc4d38112 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -1296,6 +1296,31 @@ Active Support defines 3rd person aliases of +String#start_with?+ and +String#en NOTE: Defined in +active_support/core_ext/string/starts_ends_with.rb+. +h4. +strip_heredoc+ + +The method +strip_heredoc+ strips indentation in heredocs. + +For example in + +<ruby> +if options[:usage] + puts <<-USAGE.strip_heredoc + This command does such and such. + + Supported options are: + -h This message + ... + USAGE +end +</ruby> + +the user would see the usage message aligned against the left margin. + +Technically, it looks for the least indented line in the whole string, and removes +that amount of leading whitespace. + +NOTE: Defined in +active_support/core_ext/string/strip.rb+. + h4. Access h5. +at(position)+ |