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perspective_client/
table_ref.rs

1// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
2// ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
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4// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
5// ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
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7// ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
8// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
9// ┃ This file is part of the Perspective library, distributed under the terms ┃
10// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
11// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
12
13use crate::Table;
14
15/// A reference to a table, either by handle or by name.
16#[derive(Clone)]
17pub enum TableRef {
18    Table(Table),
19    Name(String),
20}
21
22impl TableRef {
23    pub fn table_name(&self) -> &str {
24        match self {
25            TableRef::Table(table) => table.get_name(),
26            TableRef::Name(name) => name,
27        }
28    }
29}
30
31impl From<&Table> for TableRef {
32    fn from(table: &Table) -> Self {
33        TableRef::Table(table.clone())
34    }
35}
36
37impl From<Table> for TableRef {
38    fn from(table: Table) -> Self {
39        TableRef::Table(table)
40    }
41}
42
43impl From<String> for TableRef {
44    fn from(name: String) -> Self {
45        TableRef::Name(name)
46    }
47}
48
49impl From<&str> for TableRef {
50    fn from(name: &str) -> Self {
51        TableRef::Name(name.to_owned())
52    }
53}