"unary operator expected" error in Bash if condition
I had to solve this unary operator expected issue in remove_old_pkgs() of the helper script abk for Arch Sign Modules. See also 6.4 Bash Conditional Expressions
What is the purpose of the unary plus (+) operator in C?
Jul 10, 2011 · The result of the unary + operator is the value of its (promoted) operand. The integer promotions are performed on the operand, and the result has the promoted type. …
c# - What does the unary plus operator do? - Stack Overflow
Actually, unary plus does do something - even in C. It performs the usual arithmetic conversions on the operand and returns a new value, which can be an integer of greater width. If the …
What's the significant use of unary plus and minus operators?
Mar 27, 2011 · If unary +/- operators are used to perform conversions as the Number() casting function, then why do we need unary operators? What's the special need of these unary …
A positive lambda: '+[]{}' - What sorcery is this? - Stack Overflow
This is important as the unary operator + has a set of built-in overloads, specifically this one: 13.6 Built-in operators [over.built] 8 For every type T there exist candidate operator functions of the …
error: invalid type argument of ‘unary *’ (have ‘int’)
Mar 28, 2011 · error: invalid type argument of ‘unary *’ (have ‘int’) Asked 14 years, 8 months ago Modified 6 years, 9 months ago Viewed 158k times
What's the purpose of the + (pos) unary operator in Python?
May 29, 2013 · 6 __pos__() exists in Python to give programmers similar possibilities as in C++ language — to overload operators, in this case the unary operator +. (Overloading operators …
parseInt vs unary plus, when to use which? - Stack Overflow
Jun 14, 2013 · The unary + acts more like parseFloat since it also accepts decimals. parseInt on the other hand stops parsing when it sees a non-numerical character, like the period that is …
What is an equivalent replacement for std::unary_function in C++17?
Aug 25, 2020 · 35 std::unary_function and many other base classes such as std::not1 or std::binary_function or std::iterator have been gradually deprecated and removed from the …
What is a Unary association in UML - Stack Overflow
Feb 17, 2022 · The term Unary however is not used in UML and might be confusing. UML uses the term binary to indicate that an association has two ends, and ternary or n-ary to indicate an …