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import sugar let variable = collect (newSeq): for item in @[-9, 1, 42, 0,-1, 9]: item + 1 assert variable == @[-8, 2, 43, 1, 0, 10] The comprehension is implemented as a macro that is expanded at compile time, you can see the expanded code using the expandMacro compiler option:
For example, a precondition—an assertion placed at the beginning of a section of code—determines the set of states under which the programmer expects the code to execute. A postcondition—placed at the end—describes the expected state at the end of execution. For example: x > 0 { x++ } x > 1.
QUnit uses a set of assertion method to provide semantic meaning in unit tests: [3] assert.ok(boolean, string) - Asserts that the provided value casts to boolean true . assert.equal(value1, value2, message) - Compares two values, using the double-equal operator .
The syntax of Nim resembles that of Python. [27] Code blocks and nesting statements are identified through use of whitespace, according to the offside-rule.Many keywords are identical to their Python equivalents, which are mostly English keywords, whereas other programming languages usually use punctuation.
In the inverted program, the assertion becomes the test, and the test becomes the assertion. (Since all values in Janus are integers, the usual C-semantics that 0 indicates false are employed.) For loops to be reversible, we similarly provide an assertion (the <e> after "from") and a test (the <e> after "until").
The assert statement, used during debugging to check for conditions that ought to apply. urbiscript also feature assert blocks, which can be used to factor several assert statements. Actually, contrary to most C-like languages and despite what the syntax suggests, statements "have a value", and therefore are expressions, provided they are ...
The variadic template feature of C++ was designed by Douglas Gregor and Jaakko Järvi [1] [2] and was later standardized in C++11. Prior to C++11, templates (classes and functions) could only take a fixed number of arguments, which had to be specified when a template was first declared.
assert.h is a header file in the C standard library. It defines the C preprocessor macro assert and implements runtime assertion in C. assert.h is defined in ANSI C as part of the C standard library. In the C++ programming language, assert.h and < cassert > are available; both are functionally equivalent. [1]