Files
a0_basic_app
a1_vehicle
a2_async_sim
ab_glyph
ab_glyph_rasterizer
adler
adler32
agents
aho_corasick
anyhow
approx
aquamarine
ash
atty
bitflags
bytemuck
byteorder
cache_padded
cfg_if
chrono
color_quant
crc32fast
crossbeam_channel
crossbeam_deque
crossbeam_epoch
crossbeam_utils
deflate
draw2d
either
flexi_logger
generic_array
gif
glfw
glfw_sys
glob
image
indoc
itertools
jpeg_decoder
lazy_static
libc
libloading
log
matrixmultiply
memchr
memoffset
miniz_oxide
nalgebra
base
geometry
linalg
third_party
num_complex
num_cpus
num_integer
num_iter
num_rational
num_traits
owned_ttf_parser
paste
png
proc_macro2
proc_macro_error
proc_macro_error_attr
quote
raw_window_handle
rawpointer
rayon
rayon_core
regex
regex_syntax
scoped_threadpool
scopeguard
semver
semver_parser
serde
serde_derive
simba
smawk
spin_sleep
syn
terminal_size
textwrap
thiserror
thiserror_impl
tiff
time
triple_buffer
ttf_parser
typenum
unicode_width
unicode_xid
unindent
vk_sys
weezl
yansi
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
use lib::*;

pub fn from_bounds<I>(iter: &I) -> Option<usize>
where
    I: Iterator,
{
    helper(iter.size_hint())
}

#[cfg(any(feature = "std", feature = "alloc"))]
#[inline]
pub fn cautious(hint: Option<usize>) -> usize {
    cmp::min(hint.unwrap_or(0), 4096)
}

fn helper(bounds: (usize, Option<usize>)) -> Option<usize> {
    match bounds {
        (lower, Some(upper)) if lower == upper => Some(upper),
        _ => None,
    }
}