TypstDocumentation

assert

Ensure 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")

Parameters
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condition
boolean
RequiredPositional
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The condition that must be true for the assertion to pass.

message

The error message when the assertion fails.

Default: none

assert.eq function

Ensure 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.

Example

#assert.eq(10, 10)

Parameters
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assert.eq() ->

left
any
RequiredPositional
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The first value to compare.

right
any
RequiredPositional
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The second value to compare.

message

An optional message to display on error instead of the representations of the compared values.

Default: none

assert.ne function

Ensure 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.

Example

#assert.ne(3, 4)

Parameters
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assert.ne() ->

left
any
RequiredPositional
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The first value to compare.

right
any
RequiredPositional
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The second value to compare.

message

An optional message to display on error instead of the representations of the compared values.

Default: none