Like Enumerable#slice_before, but chains operation to be lazy-evaluated.
ptr.to_str => string ptr.to_str(len) => string
Returns the pointer contents as a string.
When called with no arguments, this method will return the contents with the length of this pointer’s size.
When called with len, a string of len bytes will be returned.
See to_s
Performs a Miller-Rabin probabilistic primality test for bn.
Deprecated in version 3.0. Use prime? instead.
checks and trial_div parameters no longer have any effect.
Emit a scalar with value and tag
Emit a sequence with list and tag
Emit a sequence with map and tag
Emit an arbitrary object obj and tag
Called when the YAML stream ends
Returns true if the stream is finished.
Returns true if stat is readable by the real user id of this process.
File.stat("testfile").readable_real? #=> true
If stat is readable by others, returns an integer representing the file permission bits of stat. Returns nil otherwise. The meaning of the bits is platform dependent; on Unix systems, see stat(2).
m = File.stat("/etc/passwd").world_readable? #=> 420 sprintf("%o", m) #=> "644"