smuuf/primi

import std.hash

function hash_or_false(hash_fn) {
    return (arg) => {
        try {
            return hash_fn(arg)
        } catch {
            return false;
        }
    }
}

assert(hash.md5('hello') == '5d41402abc4b2a76b9719d911017c592')
assert(hash.md5('123') == '202cb962ac59075b964b07152d234b70')

assert(hash.sha256('hello') == '2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824')
assert(hash.sha256('123') == 'a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3')

hash_md5_or_false = hash_or_false(hash.md5)
hash_sha256_or_false = hash_or_false(hash.sha256)

//
// md5
//

_ = 'Hashing number raises error.'
assert(hash_md5_or_false(123) == false, _);

_ = 'Hashing bool raises error.'
assert(hash_md5_or_false(true) == false, _);

_ = 'Hashing null raises error.'
assert(hash_md5_or_false(null) == false, _);

_ = 'Hashing list raises error.'
assert(hash_md5_or_false([]) == false, _);

_ = 'Hashing dict raises error.'
assert(hash_md5_or_false({}) == false, _);

//
// sha215
//

_ = 'Hashing number raises error.'
assert(hash_sha256_or_false(123) == false, _);

_ = 'Hashing bool raises error.'
assert(hash_sha256_or_false(true) == false, _);

_ = 'Hashing null raises error.'
assert(hash_sha256_or_false(null) == false, _);

_ = 'Hashing list raises error.'
assert(hash_sha256_or_false([]) == false, _);

_ = 'Hashing dict raises error.'
assert(hash_sha256_or_false({}) == false, _);