I start exploring the fundation of Ruby, it is the C,
printf('%%\\');
Does the code above allowed in C?
I start exploring the fundation of Ruby, it is the C, printf(‘%%\\’); Does the
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I start exploring the fundation of Ruby, it is the C,
printf('%%\\');
Does the code above allowed in C?
No, the code is not allowed.
In Ruby single quotes are used to write string literals, i.e. values of type string. In C
'%%\\'has the type int. Sinceprintfexpects a string (char*) as its first argument,'%%\\'is not a valid first argument toprintf.