diff options
Diffstat (limited to 'lib/csv.rb')
| -rw-r--r-- | lib/csv.rb | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/lib/csv.rb b/lib/csv.rb index b68bcb0fc5..03b87983e6 100644 --- a/lib/csv.rb +++ b/lib/csv.rb @@ -431,7 +431,11 @@ class CSV # # This method returns the row for chaining. # + # If no block is given, an Enumerator is returned. + # def delete_if(&block) + block or return enum_for(__method__) { size } + @row.delete_if(&block) self # for chaining @@ -500,13 +504,15 @@ class CSV # # Yields each pair of the row as header and field tuples (much like - # iterating over a Hash). + # iterating over a Hash). This method returns the row for chaining. # - # Support for Enumerable. + # If no block is given, an Enumerator is returned. # - # This method returns the row for chaining. + # Support for Enumerable. # def each(&block) + block or return enum_for(__method__) { size } + @row.each(&block) self # for chaining @@ -822,7 +828,11 @@ class CSV # # This method returns the table for chaining. # + # If no block is given, an Enumerator is returned. + # def delete_if(&block) + block or return enum_for(__method__) { @mode == :row or @mode == :col_or_row ? size : headers.size } + if @mode == :row or @mode == :col_or_row # by index @table.delete_if(&block) else # by header @@ -845,7 +855,11 @@ class CSV # # This method returns the table for chaining. # + # If no block is given, an Enumerator is returned. + # def each(&block) + block or return enum_for(__method__) { @mode == :col ? headers.size : size } + if @mode == :col headers.each { |header| block[[header, self[header]]] } else |