alef 0.114.0

Opinionated polyglot binding generator for Rust libraries
Documentation 
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import Foundation

struct Entry { let name: String? }
struct Report { let records: [Entry] }
var recordedFailure = false

func XCTAssertTrue(_ value: Bool, _ message: String) { if !value { recordedFailure = true } }
func XCTAssertFalse(_ value: Bool, _ message: String) { if value { recordedFailure = true } }

{% for case in cases %}
func case{{ case.index }}() -> Bool {
    recordedFailure = false
    let result = Report(records: [Entry(name: {{ case.name_literal or "nil" }})])
{{ case.assertion | indent(4, true) }}
    return !recordedFailure
}

{% endfor %}
{% for case in cases %}
precondition(case{{ case.index }}() == {{ "true" if case.passes else "false" }}, "case {{ case.index }}")
{% endfor %}