【ICP开发】Candid数据文本表示

text

""

"Hello"

"Escaped characters: \n \r \t \\ \" \'"

"Unicode escapes: \u{2603} is ☃ and \u{221E} is ∞"

"Raw bytes (must be utf8): \E2\98\83 is also ☃"

blob

blob ""

blob "Hello"

blob "Escaped characters: \n \r \t \\ \" \'"

blob "Unicode escapes: \u{2603} is ☃ and \u{221E} is ∞"

blob "Raw bytes (must be utf8): \E2\98\83 is also ☃"

nat

1234

1_000_000

0xDEAD_BEEF

int

1234

-1234

+1234

1_000_000

-1_000_000

+1_000_000

0xDEAD_BEEF

-0xDEAD_BEEF

+0xDEAD_BEEF

natN/intN

100 : nat8

-100 : int8

(42 : nat64)

float32/float64

1245.678

+1245.678

-1_000_000.000_001

34e10

34E+10

34e-10

0xDEAD.BEEF

0xDEAD.BEEFP-10

0xDEAD.BEEFp+10

bool

true

false

null

null

vec t

vec {}

vec { "john@doe.com"; "john.doe@example.com" };

opt t

null

opt true

opt 8

opt null

opt opt "test"

record { n : t, … }

record {}

record { first_name = "John"; second_name = "Doe" }

record { "name with spaces" = 42; "unicode, too: ☃" = true }

record { "a"; "tuple"; null }

variant { n : t, … }

variant { ok = 42 }

variant { "unicode, too: ☃" = true }

variant { fall }

func (…) → (…)

func "w7x7r-cok77-xa".hello

func "w7x7r-cok77-xa"."☃"

func "aaaaa-aa".create_canister

service {…}

service "w7x7r-cok77-xa"

service "zwigo-aiaaa-aaaaa-qaa3a-cai"

service "aaaaa-aa"

principal

principal "w7x7r-cok77-xa"

principal "zwigo-aiaaa-aaaaa-qaa3a-cai"

principal "aaaaa-aa"

reserved

reserved

empty

没有响应的文本表示方式，因为没有值。

作者 : ma

Github地址:machenjie