**Erin 🕯** @er1n · 2018-04-24T20:49:31Z

Erin 🕯 @er1n

woah til about {:#?} in Rust

Apr 24, 2018, 20:49 · Web · 2 · 10

**Erin 🕯** @er1n · Apr 24, 2018, 20:49

**Erin 🕯** @er1n · Apr 24, 2018, 20:49

pretty-printed Debug

**jess, no relation** @catoutofbed@octodon.social · Apr 24, 2018, 20:52

**jess, no relation** @catoutofbed@octodon.social · Apr 24, 2018, 20:52

@er1n
wait seriously?
fuckin neat

**AmarOk** @AmarOk@mastodon.social · Apr 24, 2018, 22:49

**AmarOk** @AmarOk@mastodon.social · Apr 24, 2018, 22:49

**Zach Banks** @zbanks@mastodon.mit.edu · Apr 25, 2018, 02:48

**Zach Banks** @zbanks@mastodon.mit.edu · Apr 25, 2018, 02:48

@er1n also "{:#x}" in Rust fmt or "%#x" in C printf-family prints the number in hex *including* the leading "0x" prefix.

(The only trick is that the "0x" counts towards the length, so "%06#x" formats a u16 correctly)

**Daniel Glus** @danielhglus@mastodon.technology · Apr 24, 2018, 20:52

**Daniel Glus** @danielhglus@mastodon.technology · Apr 24, 2018, 20:52

@er1n Not a very search-engine-friendly term, lol - what does it do?