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?
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
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.
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 …
Invalid type argument of unary '*' (have 'int') Error in C
Mar 18, 2017 · 2 The unary operator & yields the address of its operand. The type is of T *, not T. Therefore you cannot assign a int * to an int without a cast. The expression
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 association …