std::variant support #95
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
aminroosta
reviewed
Feb 21, 2017
README.md
Outdated
| db << "CREATE TABLE tbl (id integer, data);"; | ||
| db << "INSERT INTO tbl VALUES (?, ?, ?);" << 1 << vector<int> { 1, 2, 3}; | ||
| unique_ptr<string> ptr_null; // you can even bind empty unique_ptr<T> | ||
| db << "INSERT INTO tbl VALUES (?, ?, ?);" << 2 << 2.5; |
There was a problem hiding this comment.
@zauguin Here It should be two question marks, right? INSERT INTO tbl values (?, ?)
aminroosta
reviewed
Feb 21, 2017
| }; | ||
| db << "select age,name,img from tbl where id = 2" | ||
| >> [](std::variant<vector<int>, double> data) { |
There was a problem hiding this comment.
@zauguin age, name, img are not defined in the table and the lambda is only taking one argument.
|
@zauguin Looks great to me ;-) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
The motivating use case for this are custom functions. With
variants you can create functions with flexible argument/return types.