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Jim Hester jimhester

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Working with @hadley to make data science in R easier, faster and more fun.

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Pinned Loading

r-lib/cpp11 Public

cpp11 helps you to interact with R objects using C++ code.

C++ 152 30
tidyverse/glue Public

Glue strings to data in R. Small, fast, dependency free interpreted string literals.

R 577 60
r-lib/vroom Public

Fast reading of delimited files

C++ 529 43
r-lib/covr Public

Test coverage reports for R

R 298 103
r-lib/devtools Public

Tools to make an R developer's life easier

R 2.1k 738
r-lib/fs Public

Provide cross platform file operations based on libuv.

C 309 57

3,192 contributions in the last year

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Activity overview

Contributed to r-lib/vroom, tidyverse/readr, r-lib/archive and 5 other repositories

Contribution activity

November 2021

Created 227 commits in 25 repositories

Created 2 repositories

jimhester/testUnload R Nov 11
jimhester/simdcsv C++ Nov 9

Created a pull request in tidyverse/glue that received 11 comments

Document the custom knitr engines

Fixes #71

+98 −8 • 11 comments

Opened 5 other pull requests in 5 repositories

tidyverse/readr 1 open

Add support for show_col_types for edition 1 parser Nov 22

tidyverse/glue 1 open

Add a new literal option Nov 19

r-lib/devtools 1 merged

Add check_mac_release function to submit to the mac builder Nov 16

tidyverse/tidyverse.org 1 merged

Add readr 2.1.0 blog post Nov 11

DanChaltiel/crosstable 1 merged

Handle case when glue() is called with empty inputs Nov 4

Reviewed 24 pull requests in 10 repositories

RConsortium/OOP-WG 9 pull requests

Add more error checking to new_generic() Nov 16
Refactor new_generic() Nov 15
Quality of life improvements for unions Nov 15
Don't export R7_generic/R7_method/R7_union Nov 15
Look up base classes from constructor functions Nov 12
Use a consistent signature specification Nov 12
Fully define constructor Nov 11
Ensure that all properties set during construction Nov 11
Property handling overhaul Nov 3

tidyverse/glue 4 pull requests

Reset the indent counter at the end of a line Nov 29
Give (potential) crayon calls special treatment Nov 24
Document the custom knitr engines Nov 23
Evaluate in the empty environment Nov 23

r-lib/withr 3 pull requests

Minor improvements to local_language() Nov 8
Ensure global defers run on exit Nov 4
Implement with_language() and local_language() Nov 4

r-lib/actions 2 pull requests

Add working-directory input to check-r-package Nov 24
Use GH sessioninfo temporarily Nov 1

r-lib/vroom 1 pull request

Avoid an uninitialized bool for the CRAN UBSAN check Nov 23

tidyverse/readr 1 pull request

Add support for show_col_types for edition 1 parser Nov 22

r-lib/devtools 1 pull request

Add check_mac_release function to submit to the mac builder Nov 16

tidyverse/tidyverse.org 1 pull request

Add readr 2.1.0 blog post Nov 11

r-lib/pkgload 1 pull request

Use bindtextdomain() hack to reset cache Nov 9

r-lib/usethis 1 pull request

Custom RStudio release bullets Nov 1

Created an issue in tidyverse/readr that received 2 comments

Prompt to install archive if you try to read file types that archive supports.

readr could take more advantage of archive automatically, to read from things like 7z, RAR, tar.gz etc. archives. There is some code currently in v…

2 comments

Opened 17 other issues in 11 repositories

tidyverse/readr 2 open 1 closed

Warning with the UCRT build on windows Nov 29
Release readr 2.1.1 Nov 29
Release readr 2.1.0 Nov 10

tidyverse/glue 2 open 1 closed

Release glue 1.5.1 Nov 29
Add an option to disable parsing of quotes Nov 19
Release glue 1.5.0 Nov 1

r-lib/vroom 1 open 1 closed

Release vroom 1.5.7 Nov 29
Release vroom 1.5.6 Nov 10

r-lib/cpp11 1 open 1 closed

Avoid warning about cpp11::perserved, e.g. Nov 10
Release cpp11 0.4.1 Nov 3

r-lib/decor 1 open

Release decor 1.0.1 Nov 29

r-lib/bench 1 open

Release bench 1.1.2 Nov 29

r-lib/gmailr 1 open

Release gmailr 1.0.1 Nov 29

r-lib/devtools 1 open

Release devtools 2.4.3 Nov 29

r-lib/memoise 1 closed

Release memoise 2.0.1 Nov 24

kevinushey/rex 1 closed

Release rex 1.2.1 Nov 24

r-lib/actions 1 open

Consider defining multi-line problem matchers Nov 19

4 contributions in private repositories Nov 17 – Nov 18