41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
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// Copyright 2016 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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extern crate mentat_query;
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use self::mentat_query::{
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PlainSymbol,
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Variable,
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};
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error_chain! {
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types {
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Error, ErrorKind, ResultExt, Result;
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}
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errors {
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UnknownFunction(name: PlainSymbol) {
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description("no such function")
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display("no function named {}", name)
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}
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InvalidNumberOfArguments(name: PlainSymbol, number: usize, expected: usize) {
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description("invalid number of arguments")
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display("invalid number of arguments to {}: expected {}, got {}.", name, expected, number)
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}
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UnboundVariable(var: Variable) {
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description("unbound variable in function call")
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display("unbound variable: {}", var.0)
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}
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}
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}
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