assert
Ensures that a condition is fulfilled.
Fails with an error if the condition is not fulfilled. Does not produce any output in the document.
If you wish to test equality between two values, see
assert.eq and assert.ne.
Example
#assert(1 < 2, message: "math broke")
参数
参数是函数的输入，它们在函数名称后面的括号中传入。
condition
The condition that must be true for the assertion to pass.
message
The error message when the assertion fails.
定义
函数和类型可以有与其关联的定义 (成员或方法)。可以使用 "." 操作符来访问调用它们。
eq
Ensures that two values are equal.
Fails with an error if the first value is not equal to the second. Does not produce any output in the document.
查看示例
#assert.eq(10, 10)
left
The first value to compare.
right
The second value to compare.
message
An optional message to display on error instead of the representations of the compared values.
ne
Ensures that two values are not equal.
Fails with an error if the first value is equal to the second. Does not produce any output in the document.
查看示例
#assert.ne(3, 4)
left
The first value to compare.
right
The second value to compare.
message
An optional message to display on error instead of the representations of the compared values.