| // Copyright 2019 CUE Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Package time provides functionality for representing and displaying time. |
| // |
| // The calendrical calculations always assume a Gregorian calendar, with no leap seconds. |
| package time |
| |
| // A Time represents an instant in time with nanosecond precision as |
| // an RFC 3339 string. |
| // |
| // A time represented in this format can be marshaled into and from |
| // a Go time.Time. This means it does not allow the representation of leap |
| // seconds. |
| Time: null | =~"^\(date)T\(time)\(nano)\(zone)$" |
| |
| date = #"\d{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2]\d|3[0-1])"# |
| time = #"([0-1]\d|2[0-3]):[0-5]\d:[0-5]\d"# |
| nano = #"(.\d{1,10})?"# // Go parses up to 10 digits. |
| zone = #"(Z|(-|\+)\d\d:\d\d)"# |
| |
| // TODO: correctly constrain days and then leap years/centuries. |
