diff options
Diffstat (limited to 'hash.c')
| -rw-r--r-- | hash.c | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -5538,8 +5538,10 @@ env_delete(VALUE name) /* * call-seq: - * ENV.delete(name) -> value - * ENV.delete(name) { |name| block } -> value + * ENV.delete(name) -> value + * ENV.delete(name) { |name| block } -> value + * ENV.delete(missing_name) -> nil + * ENV.delete(missing_name) { |name| block } -> block_value * * Deletes the environment variable with +name+ if it exists and returns its value: * ENV['foo'] = '0' @@ -5547,9 +5549,8 @@ env_delete(VALUE name) * Returns +nil+ if the named environment variable does not exist: * ENV.delete('foo') # => nil * If a block given and the environment variable does not exist, - * yields +name+ to the block and returns +nil+: - * ENV.delete('foo') { |name| puts name } # => nil - * foo + * yields +name+ to the block and returns the value of the block: + * ENV.delete('foo') { |name| name * 2 } # => "foofoo" * If a block given and the environment variable exists, * deletes the environment variable and returns its value (ignoring the block): * ENV['foo'] = '0' @@ -5563,7 +5564,7 @@ env_delete_m(VALUE obj, VALUE name) VALUE val; val = env_delete(name); - if (NIL_P(val) && rb_block_given_p()) rb_yield(name); + if (NIL_P(val) && rb_block_given_p()) val = rb_yield(name); return val; } |