Groovy> println result |= true // println result |= falseĬonsider a situation where you want to know if anything has changed on a variety of objects and if so notify some one of the changes. Typically, the symbol is used in an expression like this: In plain language, this expression means that the value of is not equal to the value of. Groovy> println result // println result |= false The not-equal symbol is the counterpart to the equal symbol (), which is used to show that two values or expressions are equal. Here a simplified example of this: groovy> boolean result In particular, when applied to a boolean variable "|=" will set it to TRUE the first time it encounters a truthy expression on the right side and will HOLD its TRUE value for all |= subsequent calls.
ARDUINO NOT EQUAL SYMBOL CODE
I was looking for an answer on what |= does in Groovy and although answers above are right on they did not help me understand a particular piece of code I was looking at. Side note: | is not called pipe, instead its called OR, pipe is shell terminology transfer one process out to next. where as A=!B means if B is true then A become false (and if B is false then A become true). ~ is bitwise complement bits, 0 to 1 and 1 to 0 (Unary operator) but ~= not an operator.Īdditionally, ! Called Logical NOT Operator, but != Checks if the value of two operands are equal or not, if values are not equal then condition becomes true. > is bitwise operator in Java that is called Unsigned shiftīut >= not an operator in Java. >= Right shift AND assignment operator C >= 2 is same as C = C > 2Īlso Note: (for below points I wanted to add my answer)
&= Bitwise AND assignment operator C &= 2 is same as C = C & 2 ^= bitwise exclusive OR and assignment operator C ^= 2 is same as C = C ^ 2 |= bitwise inclusive OR and assignment operator C |= 2 is same as C = C | 2 I am writing table for bitwise operators:įollowing are valid:. But may be my answer help you more about |= kind of binary operators. You have already got sufficient answer for your question.
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