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 original value was …
"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. Worth pointing out …
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 operators?
invalid type argument of the unary '*' (have int) - Stack Overflow
Aug 12, 2021 · So you may dereference it only once and if you will do that you will get an object of the type int to which you may not apply the unary operator *. That is in this expression
Bash script error [: !=: unary operator expected - Stack Overflow
Pretty much covers all of your cases, and no empty string or unary concerns. In the case the first arg is '-v', then do your conditional ps -ef, else in all other cases throw the usage.
unary operator expected in shell script when comparing null value with ...
unary operator expected in shell script when comparing null value with string Asked 12 years, 8 months ago Modified 8 years, 3 months ago Viewed 154k 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 means …
How do the C and C++ compilers distinguish unary operators?
Feb 11, 2025 · Deduction of whether it's a subtraction or a unary operator depends on the presence of a previous operand and is highly contextual. Can someone give a simple summary of the rules of how …
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 form T* …