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all: change optional to result of io (#16075)

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This commit is contained in:
yuyi
2022-10-16 14:28:57 +08:00
committed by GitHub
parent 6e46933c55
commit f6844e9766
187 changed files with 1885 additions and 1874 deletions
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22
examples/pendulum-simulation/modules/sim/img/ppm.v
View File

@ -39,34 +39,34 @@ mut:
cache_size int
}
pub fn ppm_writer_for_fname(fname string, settings ImageSettings) ?&PPMWriter {
pub fn ppm_writer_for_fname(fname string, settings ImageSettings) !&PPMWriter {
mut writer := &PPMWriter{
cache_size: settings.cache_size
cache: []u8{cap: settings.cache_size}
}
writer.start_for_file(fname, settings)?
writer.start_for_file(fname, settings)!
return writer
}
pub fn (mut writer PPMWriter) start_for_file(fname string, settings ImageSettings) ? {
writer.file = os.create(fname)?
writer.file.writeln('P6 $settings.width $settings.height 255')?
pub fn (mut writer PPMWriter) start_for_file(fname string, settings ImageSettings) ! {
writer.file = os.create(fname)!
writer.file.writeln('P6 $settings.width $settings.height 255')!
}
pub fn (mut writer PPMWriter) handle_pixel(p gx.Color) ? {
pub fn (mut writer PPMWriter) handle_pixel(p gx.Color) ! {
if writer.cache.len >= writer.cache_size {
writer.write()?
writer.flush()?
writer.write()!
writer.flush()!
}
writer.cache << [p.r, p.g, p.b]
}
pub fn (mut writer PPMWriter) flush() ? {
pub fn (mut writer PPMWriter) flush() ! {
writer.cache.clear()
}
pub fn (mut writer PPMWriter) write() ? {
writer.file.write(writer.cache)?
pub fn (mut writer PPMWriter) write() ! {
writer.file.write(writer.cache)!
}
pub fn (mut writer PPMWriter) close() {

4
examples/pendulum-simulation/modules/sim/img/writer.v
View File

@ -29,7 +29,7 @@ pub fn new_image_writer(mut writer PPMWriter, settings ImageSettings) &ImageWrit
}
}
pub fn (mut iw ImageWritter) handle(result sim.SimResult) ?int {
pub fn (mut iw ImageWritter) handle(result sim.SimResult) !int {
total_pixels := iw.settings.width * iw.settings.height
// find the closest magnet
@ -46,7 +46,7 @@ pub fn (mut iw ImageWritter) handle(result sim.SimResult) ?int {
if iw.current_index == total_pixels {
iw.writer.write() or { panic('Could not write image') }
return none
return error('none')
}
return iw.current_index